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See detailGreen Consumers, Greenwashing and the Misperception of Environmental Quality
Tampieri, Alessandro UL; Pignataro, Giuseppe; Lambertini, Luca

E-print/Working paper (2014)

Detailed reference viewed: 101 (5 UL)
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See detailSpectral Sequence Motif Discovery
Colombo, Nicolo UL; Vlassis, Nikos UL

E-print/Working paper (2014)

Sequence discovery tools play a central role in several fields of computational biology. In the framework of Transcription Factor binding studies, motif finding algorithms of increasingly high performance ... [more ▼]

Sequence discovery tools play a central role in several fields of computational biology. In the framework of Transcription Factor binding studies, motif finding algorithms of increasingly high performance are required to process the big datasets produced by new high-throughput sequencing technologies. Most existing algorithms are computationally demanding and often cannot support the large size of new experimental data. We present a new motif discovery algorithm that is built on a recent machine learning technique, referred to as Method of Moments. Based on spectral decompositions, this method is robust under model misspecification and is not prone to locally optimal solutions. We obtain an algorithm that is extremely fast and designed for the analysis of big sequencing data. In a few minutes, we can process datasets of hundreds of thousand sequences and extract motif profiles that match those computed by various state-of-the-art algorithms. [less ▲]

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See detailEmotions-at-Risk: An Experimental Investigation into Emotions, Option Prices and Risk Perception
Kräussl, Roman UL; Bosman, Ronald; van Galen, Thomas

E-print/Working paper (2014)

Detailed reference viewed: 69 (0 UL)
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See detailSymmetric n-ary superalgebras with skew-symmetric invariant forms
Vishnyakova, Elizaveta UL

E-print/Working paper (2014)

Detailed reference viewed: 38 (0 UL)
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See detailLarge Deviation asymptotics for the exit from a domain of the bridge of a general Diffusion
Baldi, Paolo; Caramellino, Lucia; Rossi, Maurizia UL

E-print/Working paper (2014)

Detailed reference viewed: 46 (3 UL)
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See detailSkewness Term Structure Tests
Lehnert, Thorsten UL; Lin, Yuehao UL

E-print/Working paper (2014)

Detailed reference viewed: 92 (5 UL)
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See detailCournot Competition and "Green" Innovation: An Inverted-U Relationship
Tampieri, Alessandro UL; Lambertini, Luca; Poyago-Theotoky, Joanna

E-print/Working paper (2014)

Detailed reference viewed: 97 (2 UL)
See detailA Snap-Shot of WWI in 140 Signs – One Year On
Herzog, Mechthild UL

E-print/Working paper (2014)

Detailed reference viewed: 76 (3 UL)
See detailGlobal competition for attracting talents and the world economy
Machado Carneiro, Joël UL; Docquier, Frédéric

E-print/Working paper (2014)

Detailed reference viewed: 90 (0 UL)
See detailREVENU, POPULATION ET FLUX MIGRATOIRES AU 21ème SIÈCLE: UN DÉFI SOCIÉTAL POUR L’ EUROPE
Machado Carneiro, Joël UL; Docquier, Frédéric

E-print/Working paper (2014)

Detailed reference viewed: 41 (1 UL)
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See detailRisk and Expected Returns of Private Equity Investments: Evidence Based on Market Prices
Kräussl, Roman UL; Jegadeesh, Jegadeesh; Pollet, Joshua M.

E-print/Working paper (2014)

Detailed reference viewed: 131 (0 UL)
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See detailAutomorphisms and reduction of Heegner points on Shimura curves at Cerednik-Drinfeld primes
Molina Blanco, Santiago UL; Rotger, Victor

E-print/Working paper (2014)

Detailed reference viewed: 112 (6 UL)
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See detailStochastic stability of endogenous growth: The AK case
Boucekkine, Raouf; Zou, Benteng UL

E-print/Working paper (2014)

This note studies the stochastic stability of the standard AK growth model un- der uncertain output technology. Capital accumulation follows a stochastic lin- ear homogenous differential equation. It’s ... [more ▼]

This note studies the stochastic stability of the standard AK growth model un- der uncertain output technology. Capital accumulation follows a stochastic lin- ear homogenous differential equation. It’s shown that exponential balanced paths, which characterize optimal trajectories in the absence of uncertainty, are not robust to uncertainty. Precisely, it’s demonstrated that the economy almost surely col- lapses at exponential speed even though productivity is initially arbitrarily high. [less ▲]

Detailed reference viewed: 49 (5 UL)
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See detailDifferential Games with (A)symmetric Players and Heterogeneous Strategies
Zou, Benteng UL

E-print/Working paper (2014)

One family of heterogeneous strategies in differential games with (a)symmetric players is developed in which one player adopts an anticipating open-loop strategy and the other adopts a standard Markovian ... [more ▼]

One family of heterogeneous strategies in differential games with (a)symmetric players is developed in which one player adopts an anticipating open-loop strategy and the other adopts a standard Markovian strategy. Via conjecturing principle, the anticipating open-loop strategic player plans his strategy based on the possible updating the rival player may take. These asymmetric strategies frame nondegenerate Markovian Nash Equilibrium, which can be subgame perfect. Except the stationary path, this kind of strategy makes the study of short-run trajectory possible, which usually are not subgame perfect. However, the short-run nonperfection provides very important policy suggestions. [less ▲]

Detailed reference viewed: 106 (8 UL)
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See detailImmigration, occupational choice and public employment
Marchiori, Luca; Pieretti, Patrice UL; Zou, Benteng UL

E-print/Working paper (2014)

This paper investigates the theoretical effects of immigration in an occupational choice model with three sectors: a low-skilled, a high-skilled and a public sector. The originality of our approach is to ... [more ▼]

This paper investigates the theoretical effects of immigration in an occupational choice model with three sectors: a low-skilled, a high-skilled and a public sector. The originality of our approach is to consider (i) intersectoral mobility of labor and (ii) public employment. We highlight the fact that including a public sector is crucial, since omitting it implies that low-skilled immigration unambiguously reduces wages and welfare of all workers. However, when public employment is considered, we demonstrate that immigration increases wages in the high-skilled and the public sectors, provided that the immigrant workforce is not too large and the access to public jobs is not too easy. The average wage of natives may also increase accordingly. Moreover, immigration may improve workers’ welfare in each sector. Finally, the mechanism underlying these results does not require complementarity between natives and immigrants. [less ▲]

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See detailThe global economic crisis and the effect of immigration on the employment of native-born workers in Europe
Fromentin, vincent; Damette, Olivier; Zou, Benteng UL

E-print/Working paper (2014)

The debate regarding the economic effects of immigration has attracted renewed interest in European countries since the economic crisis. We provide an approximation for the labor market effects of ... [more ▼]

The debate regarding the economic effects of immigration has attracted renewed interest in European countries since the economic crisis. We provide an approximation for the labor market effects of immigrants in four European countries during the global economic crisis after briefly analyzing the situation of native- and foreign-born workers for the recent period. Our analysis focuses on the correlation between the stock of immigrant workers and the number of local labor market workers across several segments of the labor market using a simple model approach. Based on data from Eurostat and the LFS (Labour Force Survey), we estimate a structural dynamic model using the Generalized Method of Moments (GMM) to take into account the adjustment dynamics in the labor market and labor market segment, educational level, country of origin and gender of the workers. Overall, the empirical results suggest that the immigration shock on the employment rates of native-born workers is persistent and very weak over the business cycle. The effect is globally positive and the origin of immigrants does not appear to change the nature of the impact. We offer some explanations for these findings that are linked with the dual labor markets and the differences in the degree of substitution between native and immigrant workers. [less ▲]

Detailed reference viewed: 84 (4 UL)
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See detailForeign direct investment with endogenous technology choice
Dawid, Herbert; Zou, Benteng UL

E-print/Working paper (2014)

In this paper, we analyze optimal foreign direct investment of a firm which operates in a duopolistic market. We characterize a technology spillover threshold and show that for an intensity of spillovers ... [more ▼]

In this paper, we analyze optimal foreign direct investment of a firm which operates in a duopolistic market. We characterize a technology spillover threshold and show that for an intensity of spillovers below this threshold, there is a unique locally asymptotic stable steady state with a positive capital stock in the developing country. Furthermore, we characterize how optimal foreign investment patterns and the investor’s value function depend on the level of technology transferred and characterize the optimal level to be used for the foreign direct investment. [less ▲]

Detailed reference viewed: 85 (4 UL)
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See detailThe Macroeconomic Determinants of Mean Reversion and Financial Predictability
Mehra, Rajnish UL; Donaldson, John B.

E-print/Working paper (2014)

Detailed reference viewed: 45 (0 UL)
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See detailNews Media Sentiment and Investor Behavior
Kräussl, Roman UL; Mirgorodskaya, Elizaveta

E-print/Working paper (2014)

Detailed reference viewed: 24 (0 UL)
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See detailThe 2011 European Short Sale Ban: An Option Market Perspective
Kräussl, Roman UL

E-print/Working paper (2014)

Detailed reference viewed: 48 (3 UL)
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See detailAn inverse to the antisymmetrization map of Cartan and Eilenberg
Bordemann, Martin; Riviere, Salim UL

E-print/Working paper (2014)

Detailed reference viewed: 98 (7 UL)
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See detailAsymptotic normality of randomized periodogram for estimating quadratic variation in mixed Brownian-fractional Brownian model
Azmoodeh, Ehsan UL; Sottinen, Tommi; Viitasaari, Lauri

E-print/Working paper (2014)

We study asymptotic normality of the randomized periodogram estimator of quadratic variation in the mixed Brownian--fractional Brownian model. In the semimartingale case, that is, where the Hurst ... [more ▼]

We study asymptotic normality of the randomized periodogram estimator of quadratic variation in the mixed Brownian--fractional Brownian model. In the semimartingale case, that is, where the Hurst parameter H of the fractional part satisfies H∈(3/4,1), the central limit theorem holds. In the nonsemimartingale case, that is, where H∈(1/2,3/4], the convergence toward the normal distribution with a nonzero mean still holds if H=3/4, whereas for the other values, that is, H∈(1/2,3/4), the central convergence does not take place. We also provide Berry--Esseen estimates for the estimator. [less ▲]

Detailed reference viewed: 96 (0 UL)
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See detailEvaluating Option Pricing Model Performance Using Model Uncertainty
Lehnert, Thorsten UL; Blanchard, Gildas; Bams, Dennis

E-print/Working paper (2014)

Detailed reference viewed: 43 (0 UL)
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See detailOn capital stocks related to reciprocal shareholdings
Petritz, Erika; Schwaiger, Jens; Tomaschek, Jörg UL

E-print/Working paper (2014)

Detailed reference viewed: 78 (4 UL)
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See detailSkewness Risk Premium: Theory and Empirical Evidence
Wolff, Christian UL; Lehnert, Thorsten UL; Lin, Yuehao UL

E-print/Working paper (2014)

Detailed reference viewed: 94 (1 UL)
See detailThe Geographical Origins of Early State Formation
Litina, Anastasia UL

E-print/Working paper (2014)

his research theoretically and empirically advances the hypothesis that in early stages of development, land and climatic variability had a persistent beneficial effect on the advent of early statehood. A ... [more ▼]

his research theoretically and empirically advances the hypothesis that in early stages of development, land and climatic variability had a persistent beneficial effect on the advent of early statehood. A high degree of land and climatic diversity, and its association with potential gains from trade, accentuated the incentives to develop social, political and physical infrastructure that could facilitate interregional interaction. Hence, the emergence of states was expedited in more diverse geographical environments. To explore the hypotheses the analysis exploits exogenous sources of variation in a) the measure of land variability across countries, and b) climatic variability within countries over the period 500-1500 CE. The research establishes that i) the advent of statehood was expedited in regions characterized by a higher degree of variability in land and climatic conditions, ii) the effect of (land and climatic) variability on statehood operates partly through the advancement of technologies associated with trade, thus suggesting that it is the pivotal role of states in facilitating trade that ultimately contributed to their emergence and consolidation, and, iii) the effect of land variability on statehood dissipates over time [less ▲]

Detailed reference viewed: 30 (4 UL)
See detailNatural Land Productivity, Cooperation and Comparative Development
Litina, Anastasia UL

E-print/Working paper (2014)

ssion Paper Series 14-16, Center for Research in Economic Analysis, University of Luxembourg. Abstract: This research advances the hypothesis that natural land productivity in the past, and its effect on ... [more ▼]

ssion Paper Series 14-16, Center for Research in Economic Analysis, University of Luxembourg. Abstract: This research advances the hypothesis that natural land productivity in the past, and its effect on the desirable level of cooperation in the agricultural sector, had a persistent effect on the evolution of social capital, the process of industrialization and comparative economic development across the globe. Exploiting exogenous sources of variations in land productivity across a) countries; b) individuals within a country, and c) migrants of different ancestry within a country, the research establishes that lower level of land productivity in the past is associated with more intense cooperation and higher levels of contemporary social capital and development. [less ▲]

Detailed reference viewed: 106 (9 UL)
See detailGreat Expectations - The Persistent Effect of Institutions on Culture
Litina, Anastasia UL

E-print/Working paper (2014)

his research exploits the event of immigration to establish that institutions have a persistent effect on culture. It is argued that immigrants coming from corrupt countries, tend to overtrust the ... [more ▼]

his research exploits the event of immigration to establish that institutions have a persistent effect on culture. It is argued that immigrants coming from corrupt countries, tend to overtrust the institutions at the host country. This inflated trust of immigrants is documented as the Great Expectations effect. This result is interesting and intriguing for several reasons. First, it highlights the persistent effect of institutions (at the origin coun- try) on the cultural attitudes of immigrants. Interestingly, this effect is rather persistent and can be detected even to the second generation immigrants. Second, the analysis explores whether mean attitudes at the origin country have an effect on immigrants. attitude. The findings suggest that mean attitudes do not confer a statistically significant effect, whereas a horserace between origin institutions and origin culture suggests that it is the effect of institutions that prevails. Last, the analysis establishes that the inflated trust of immigrants affects their political attitudes. Immigrants coming from corrupt countries tend to be less interested in politics, to overtrust the host governments and to be less active in the political arena. In a globalized world where international immigration is rather extensive, pinning down the cultural differences across immigrants and thus the differences in their political attitudes is of an essence. [less ▲]

Detailed reference viewed: 42 (4 UL)
See detailNatural Land Productivity, Cooperation and Comparative Development
Litina, Anastasia UL

E-print/Working paper (2014)

This research advances the hypothesis that natural land productivity in the past, and its effect on the desirable level of cooperation in the agricultural sector, had a persistent effect on the evolution ... [more ▼]

This research advances the hypothesis that natural land productivity in the past, and its effect on the desirable level of cooperation in the agricultural sector, had a persistent effect on the evolution of social capital, the process of industrialization and comparative economic development across the globe. Exploiting exogenous sources of variations in land productivity across a) countries; b) individuals within a country, and c) migrants of different ancestry within a country, the research establishes that lower level of land productivity in the past is associated with more intense cooperation and higher levels of contemporary social capital and development. [less ▲]

Detailed reference viewed: 93 (6 UL)
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See detailCDS Contracts versus Put Options: A robust relationship?
Bekkour, Lamia UL; Lehnert, Thorsten UL; Desimone, Francisco Nadal et al

E-print/Working paper (2014)

Detailed reference viewed: 90 (8 UL)
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See detailLa tutela dei diritti umani tra azione esterna dell’Unione europea e politiche interne degli Stati membri: medici, curate vos ipsos
Gatti, Mauro UL

E-print/Working paper (2014)

Il Consiglio dell’Unione europea ha recentemente adottato delle Conclusioni sulla coerenza fra aspetti esterni ed interni della protezione e promozione dei diritti umani nell’Unione europea. Tale ... [more ▼]

Il Consiglio dell’Unione europea ha recentemente adottato delle Conclusioni sulla coerenza fra aspetti esterni ed interni della protezione e promozione dei diritti umani nell’Unione europea. Tale strumento attira l’attenzione su un problema cruciale: l’Unione promuove da anni il rispetto di taluni diritti umani che i suoi stessi membri non sembrano proteggere, o che interpretano in modo difforme. Tale contraddizione è difficile da giustificare sul piano teorico ed è pericolosa su quello pratico, dato che pregiudica la credibilità dell’Unione sulla scena internazionale. Per risolvere questo problema, sarebbe opportuno che gli Stati membri inizino ad applicare in Europa le stesse regole che intendono diffondere nel mondo. [less ▲]

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See detailLes modifications territoriales dans la Grande Région SaarLorLux du Congrès de Vienne à aujourd hui
Back, Claude; Helfer, Malte UL; Pauly, Michel UL et al

E-print/Working paper (2014)

The territorial changes of the Greater Region since 1815 are presented in ten maps. The timeline map shows the territorial situation in a defined year from 1815 onwards (if the map does not appear after a ... [more ▼]

The territorial changes of the Greater Region since 1815 are presented in ten maps. The timeline map shows the territorial situation in a defined year from 1815 onwards (if the map does not appear after a few seconds, it might be necessary to reload the page). After activating the timeline you can choose a year (set both controllers to the same year). In addition it is possible to let the map run through the time like a video. The map can be zoomed in and out, and you can access relevant information by clicking on a territory. [less ▲]

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See detailLe tourisme dans la Grande Région SaarLorLux
Wöltering, Florian; Caruso, Geoffrey UL; Helfer, Malte UL et al

E-print/Working paper (2014)

The tourism structure of the Greater Region is very heterogeneous and cannot be referred to a single common destination. Rather, it consists of different destinations, which are presented in this article ... [more ▼]

The tourism structure of the Greater Region is very heterogeneous and cannot be referred to a single common destination. Rather, it consists of different destinations, which are presented in this article, regardless of borders and oriented exclusively according to geographical data. The map shows the number of tourist nights in the tourism regions according to the different types of accommodation in 2007. The presentation of the tourism intensity (overnight stays per 1,000 inhabitants) explains the relative weight of tourism in the different regions. [less ▲]

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See detailA general approach to small deviation via concentration of measures
Azmoodeh, Ehsan UL; Viitasaari, Lauri

E-print/Working paper (2014)

Detailed reference viewed: 35 (0 UL)
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See detailMutual Funds’ Returns from Providing Liquidity and Costs of Immediacy
Rinne, Kalle UL; Suominen, Matti UL

E-print/Working paper (2014)

We present evidence that some mutual funds systematically act as contrarian traders, and earn returns in the stock market by providing liquidity to investors that demand immediacy, while others ... [more ▼]

We present evidence that some mutual funds systematically act as contrarian traders, and earn returns in the stock market by providing liquidity to investors that demand immediacy, while others systematically realize costs of immediacy. On average, the mutual funds’ costs of immediacy exceed their returns from providing liquidity. The funds with outflows, flows that correlate with industry flows, high market beta funds, and funds highly exposed to the momentum strategy suffer the most in costs of immediacy. The mutual funds’ average underperformance can be explained with their costs of immediacy. Finally, the funds’ historical costs of immediacy predict their alphas. [less ▲]

Detailed reference viewed: 35 (3 UL)
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See detailTravailleurs frontaliers dans la Grande Région SaarLorLux (1998-2008)
Wille, Christian UL; Caruso, Geoffrey UL; Helfer, Malte UL et al

E-print/Working paper (2014)

With 201,785 cross-border employees, the Grande Région has a quarter of the cross-border workers in the 27 EU countries. 73% of cross-border commuters in the Grande Région work in Luxembourg, where they ... [more ▼]

With 201,785 cross-border employees, the Grande Région has a quarter of the cross-border workers in the 27 EU countries. 73% of cross-border commuters in the Grande Région work in Luxembourg, where they account for 44% of the local workforce - a trend that is still rising. Half of them come from France and about a quarter from Belgium or Germany. 14% of cross-border commuters in the Greater Region work in Wallonia, almost all of them from France. Finally, Saarland is the third largest employer of cross-border workers, with almost 10% of border workers in the Greater Region. Among the "French" workers coming to work in Saarland, however, there is a third of atypical cross-border workers, i.e. Germans who live in Lorraine and work in Saarland. [less ▲]

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See detailDie Bevölkerung der Großregion SaarLorLux
Interregionale Arbeitsmarktbeobachtungsstelle, IBA; Pauly, Michel UL; Caruso, Geoffrey UL et al

E-print/Working paper (2014)

This contribution is an excerpt from the report on the economic and social situation of the Greater Region 2013/2014 for the Economic and Social Committee of the Greater Region (IBA/OIE, 2014, pp. 3-10 ... [more ▼]

This contribution is an excerpt from the report on the economic and social situation of the Greater Region 2013/2014 for the Economic and Social Committee of the Greater Region (IBA/OIE, 2014, pp. 3-10). The maps show the population density in the Greater Region as of 1 January 2013, the working-age population as of 1 January 2012 and the population development from 2000 to 2013 (Lorraine: zones d'emploi 1999-2011), calculated by the Interregional Labour Market Observatory IBA. The population density of the Greater Region in 2013 was almost 175 inhabitants per square kilometre, although the distribution varies widely from regionally: from more than 2,000 inhabitants per square kilometre in Mainz and Ludwigshafen to the sparsely populated areas of Verdun and Commercy with less than 30 inhabitants per square kilometre. This is where important economic priorities lie and influences from the large conurbations of neighboring federal states have an impact. Densely populated areas are also located in the northern part of Wallonia, particularly in the economic centres of Charleroi and Liège. In addition, the population of the Greater Region concentrates primarily on a transnational core area, which encompasses all sub-regions and important economic priorities. [less ▲]

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See detailCSR in an Asymmetric Duopoly with Environmental Externalities
Tampieri, Alessandro UL; Lambertini, Luca; Palestini, Arsen

E-print/Working paper (2014)

Detailed reference viewed: 102 (4 UL)
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Peer Reviewed
See detailRipple Effects from Industry Defaults
Bams, Dennis; Pisa, Magdalena UL; Wolff, Christian UL

E-print/Working paper (2014)

Detailed reference viewed: 87 (3 UL)
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See detailUniversity Competition and Transnational Education: The Choice of Branch Campus
Tampieri, Alessandro UL; Poyago-Theotoky, Joanna

E-print/Working paper (2014)

Detailed reference viewed: 84 (4 UL)
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See detailSome insights on bicategories of fractions - III
Tommasini, Matteo UL

E-print/Working paper (2014)

We fix any bicategory A together with a class of morphisms W_A, such that there is a bicategory of fractions A[W_A^{-1}] (as described by D. Pronk). Given another such pair (B,W_B) and any pseudofunctor F ... [more ▼]

We fix any bicategory A together with a class of morphisms W_A, such that there is a bicategory of fractions A[W_A^{-1}] (as described by D. Pronk). Given another such pair (B,W_B) and any pseudofunctor F : A → B, we find necessary and sufficient conditions in order to have an induced equivalence of bicategories from A[W_A^{-1}] to B[W_B^{-1}]. In particular, this gives necessary and sufficient conditions in order to have an equivalence from any bicategory of fractions A[W_A^{-1}] to any given bicategory B. [less ▲]

Detailed reference viewed: 47 (0 UL)
See detailThe Evolving Beta-Liquidity Relationship of Hedge Funds
Siegmann, Arjen; Stefanova, Denitsa UL

E-print/Working paper (2014)

Using an optimal changepoint approach, we find a structural change in the relation between hedge funds’ stock market exposure and aggregate stock market liquidity that takes place in the period 2000 to ... [more ▼]

Using an optimal changepoint approach, we find a structural change in the relation between hedge funds’ stock market exposure and aggregate stock market liquidity that takes place in the period 2000 to 2002. Before the structural break, market betas have no relation to liquidity and only a few style categories of hedge funds show increased market presence when liquidity is low. After the break, the relationship is inverted, pointing towards an increased liquidity timing ability of hedge funds, as users of liquidity. We relate our findings to best execution rules and decimalization in the US stock market that were introduced in that period and impacted aggregate liquidity conditions. Furthermore, the returns to a momentum strategy display a similar structural break and momentum-loading funds constitute a sizeable proportion of hedge funds that manifest a distinct beta-liquidity evolution with a structural break in that period. [less ▲]

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See detailSome insights on bicategories of fractions - II
Tommasini, Matteo UL

E-print/Working paper (2014)

We fix any bicategory A together with a class of morphisms W_A, such that there is a bicategory of fractions A[W_A^{-1}] (as described by D. Pronk). Given another such pair (B,W_B) and any pseudofunctor F ... [more ▼]

We fix any bicategory A together with a class of morphisms W_A, such that there is a bicategory of fractions A[W_A^{-1}] (as described by D. Pronk). Given another such pair (B,W_B) and any pseudofunctor F : A → B, we find necessary and sufficient conditions in order to have an induced pseudofunctor G : A[W_A^{-1}]→ B[W_B^{-1}]. Moreover, we give a simple description of G in the case when the class W_B is “right saturated”. [less ▲]

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See detailXDEM - FEM Coupling Simulations of the Interactions between a Tire Tread and Granular Terrain
Michael, Mark UL; Vogel, Frank; Peters, Bernhard UL

E-print/Working paper (2014)

This study proposes an efficient combination of the Discrete Element Method (DEM) and the Finite Element Method (FEM) to study the tractive performance of a rubber tire in interaction with granular ... [more ▼]

This study proposes an efficient combination of the Discrete Element Method (DEM) and the Finite Element Method (FEM) to study the tractive performance of a rubber tire in interaction with granular terrain. The presented approach is relevant to all engineering devices interacting with granular matter which causes response forces. Herein, the extended discrete element method (XDEM) is used to describe the dynamics of the granular assembly. On the one hand, the discrete approach accounts for the motion and forces of each grain individually. On the other hand, the finite element method accurately predicts the deformations and stresses acting within the tire tread. Hence, the simulation domain occupied by the tire tread is efficiently described as a continuous entity. The coupling of both methods is based on the interface shared by the two spatially separated domains. Contact forces develop at the interface and propagate into each domain. The coupling method enables to capture both responses simultaneously and allows to sufficiently resolve the different length scales. Each grain in contact with the surface of the tire tread generates a contact force which it reacts on repulsively. The contact forces sum up over the tread surface and cause the tire tread to deform. The coupling method compensates quite naturally the shortages of both numerical methods. It further employs a fast contact detection algorithm to save valuable computation time. The proposed DEM-FEM Coupling technique was employed to study the tractive performance of a rubber tire with lug tread patterns in a soil bed. The contact forces at the tread surface are captured by 3D simulations for a tire slip of 5%. The simulations showed to accurately recapture the gross tractive effort, running resistance and drawbar pull of the tire tread in comparison to related measurements. Further, the traction mechanisms between the tire tread and the granular ground are studied by analysing the motion of the soil grains and the deformation of the tread. [less ▲]

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See detailSome insights on bicategories of fractions – I
Tommasini, Matteo UL

E-print/Working paper (2014)

In this paper we investigate the construction of bicategories of fractions originally described by D. Pronk: given any bicategory C together with a suitable class of morphisms W, one can construct a ... [more ▼]

In this paper we investigate the construction of bicategories of fractions originally described by D. Pronk: given any bicategory C together with a suitable class of morphisms W, one can construct a bicategory C[W^{-1}], where all the morphisms of W are turned into internal equivalences, and that is universal with respect to this property. Most of the descriptions leading to such a construction were long and heavily based on the axiom of choice. In this paper we simplify considerably the constructions of associators, vertical and horizontal compositions in a bicategory of fractions, thus proving that the axiom of choice is not needed under certain conditions. The simplified description of associators and 2-compositions will also play a crucial role in the next papers of this series. [less ▲]

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See detailWeak fiber products in bicategories of fractions
Tommasini, Matteo UL

E-print/Working paper (2014)

We fix any pair (C,W) consisting of a bicategory and a class of morphisms in it, admitting a bicalculus of fractions, i.e. a “localization” of C with respect to the class W. In the resulting bicategory of ... [more ▼]

We fix any pair (C,W) consisting of a bicategory and a class of morphisms in it, admitting a bicalculus of fractions, i.e. a “localization” of C with respect to the class W. In the resulting bicategory of fractions, we identify necessary and sufficient conditions for the existence of weak fiber products. [less ▲]

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See detailHedge Fund Innovation
Siegmann, Arjen; Stefanova, Denitsa UL; Zamojski, Marcin

E-print/Working paper (2014)

We study first-mover advantages in the hedge fund industry by clustering hedge funds based on the type of assets and instruments they trade in, sector and investment focus, and fund details. We find that ... [more ▼]

We study first-mover advantages in the hedge fund industry by clustering hedge funds based on the type of assets and instruments they trade in, sector and investment focus, and fund details. We find that early entry in a cluster is associated with higher excess returns, longer survival, higher incentive fees and lower management fees compared to funds that arrive later. Moreover, the latest entrants have a high loading on the returns of the innovators, but with lower incentive fees, and higher management fees. Cross-sectional regressions show that the out-performance of innovating funds are declining with age. The results are robust to different parameters of clustering and backfill-bias, and are not driven by the possible existence of flagship and follow-on funds. Our results show that the reported characteristics of hedge funds can be used to infer strategy-related information and suggest that specific first-mover advantages exist in the hedge fund industry. [less ▲]

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See detailStability and cooperative solution in stochastic games
Parilina, Elena; Tampieri, Alessandro UL

E-print/Working paper (2014)

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See detailExtreme Returns in the European Financial Crisis
Chouliaras, Andreas UL; Grammatikos, Theoharry UL

E-print/Working paper (2014)

We examine the transmission of extreme stock market returns among three groups of countries: the Euro-periphery countries (Portugal, Ireland, Italy, Greece, Spain), the Euro-core countries (Germany ... [more ▼]

We examine the transmission of extreme stock market returns among three groups of countries: the Euro-periphery countries (Portugal, Ireland, Italy, Greece, Spain), the Euro-core countries (Germany, France, the Netherlands, Finland, Belgium), and the major European Union -but not euro- countries (Sweden, UK, Poland, Czech Republic, Denmark). Using extreme returns on daily stock market data from January 2004 till March 2013, we nd that transmission e ects are present for the tails of the returns distributions for the Pre-crisis, the US-crisis and the Euro-crisis periods from the Euro-periphery group to the Non-Euro and the Euro-core groups. Within group e ects are stronger in the crisis periods. We nd that the transmission channel does not seem to have intensi ed during the crisis periods, but it transmitted larger shocks (in some cases, extreme bottom returns doubled during the crisis periods). Thus, as extreme returns have become much more "extreme" during the nancial crisis periods, the expected losses on extreme return days have increased signi cantly. Given the fact that stock market capitalisations in these country groups are trillions of Euros, a 1% or 2% increase in extreme bottom returns (in crisis periods) can lead to aggregate losses of tens of billions Euros in one single trading day. [less ▲]

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See detailIntervals of the homomorphism order of graphs have infinite width
Lehtonen, Erkko; Schölzel, Karsten UL

E-print/Working paper (2014)

The homomorphism order of graphs is known to be dense with a single exception. We strengthen this result by showing that, with this single exception, the interval between any two distinct comparable ... [more ▼]

The homomorphism order of graphs is known to be dense with a single exception. We strengthen this result by showing that, with this single exception, the interval between any two distinct comparable graphs includes an infinite antichain. Moreover, every antichain included in such an interval can be extended into an infinite one within that interval. [less ▲]

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See detailThe cultural transmission of Environmental preferences: Evidence from International Migration
Zanaj, Skerdilajda UL; Litina, Anastasia UL; Moriconi, Simone

E-print/Working paper (2014)

Detailed reference viewed: 39 (6 UL)
See detailOffshore financial centres and bank secrecy
Zanaj, Skerdilajda UL; Pieretti, Patrice UL; Thisse, Jacques

E-print/Working paper (2014)

Detailed reference viewed: 88 (6 UL)
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See detailOn the equivalence between the cell-based smoothed finite element method and the virtual element method
Natarajan, Sundararajan; Bordas, Stéphane UL; Ean Tat, Ooi

E-print/Working paper (2014)

We revisit the cell-based smoothed finite element method (SFEM) for quadrilateral elements and extend it to arbitrary polygons and polyhedrons in 2D and 3D, respectively. We highlight the similarity ... [more ▼]

We revisit the cell-based smoothed finite element method (SFEM) for quadrilateral elements and extend it to arbitrary polygons and polyhedrons in 2D and 3D, respectively. We highlight the similarity between the SFEM and the virtual element method (VEM). Based on the VEM, we propose a new stabilization approach to the SFEM when applied to arbitrary polygons and polyhedrons. The accuracy and the convergence properties of the SFEM are studied with a few benchmark problems in 2D and 3D linear elasticity. Later, the SFEMis combined with the scaled boundary finite element method to problems involving singularity within the framework of the linear elastic fracture mechanics in 2D. [less ▲]

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See detailD’méisproochegt Gehir
Engel de Abreu, Pascale UL

E-print/Working paper (2014)

Den „kognitive Virdeel“ vun der Méisproochegkeet besteet doranner, datt méisproocheg Kanner a bestëmmte kognitiven Aufgaben, déi déi sougenannten „Exekutivfunktioune“ moossen, besser si wéi Kanner, déi ... [more ▼]

Den „kognitive Virdeel“ vun der Méisproochegkeet besteet doranner, datt méisproocheg Kanner a bestëmmte kognitiven Aufgaben, déi déi sougenannten „Exekutivfunktioune“ moossen, besser si wéi Kanner, déi nëmmen eng Sprooch schwätzen. [less ▲]

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See detailLe cerveau multilingue
Engel de Abreu, Pascale UL

E-print/Working paper (2014)

«L’avantage cognitif» du multilinguisme, décrit le fait que les enfants multilingues accomplissent mieux des tâches cognitives dans le domaine des «fonctions exécutives» que les enfants qui ne parlent ... [more ▼]

«L’avantage cognitif» du multilinguisme, décrit le fait que les enfants multilingues accomplissent mieux des tâches cognitives dans le domaine des «fonctions exécutives» que les enfants qui ne parlent qu’une seule langue. [less ▲]

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See detailThe ‘Franco-German duo’ and Europe as seen in cartoons (1945–2013)
Gabellini, Marco UL; Mouton, Victoria UL

E-print/Working paper (2014)

The ePublication ‘The “Franco-German duo” and Europe as seen in cartoons (1945–2013)’ uses French and German press illustrations to explore the joint action of successive French Presidents and German ... [more ▼]

The ePublication ‘The “Franco-German duo” and Europe as seen in cartoons (1945–2013)’ uses French and German press illustrations to explore the joint action of successive French Presidents and German Chancellors as the driving force of European integration. The rapprochement that began in the early years after the Second World War between France and Germany, two countries that had been long-standing enemies, followed a unique path. The image of a ‘Franco-German duo’ and the pair’s actions have proved an unending source of inspiration for French and German Press cartoonists. It shows how they have experienced, perceived and illustrated this Franco-German partnership, which has continued to evolve during the turbulent history of European integration. This comparative analysis reflects the convergences and divergences within this unique pairing and demonstrates the ever-changing balance of power within the partnership. The cartoons also reveal the fact that there is often a discrepancy between official photos and the reality of the Franco-German relationship. Although the Franco-German duo and its ability to act for the organisation of Europe have at times proved fragile, with periods of tension but also of continuity, the relationship between the various West German Chancellors and French Presidents has made an often decisive contribution to the pursuit and revival of European integration. Over 400 cartoons published in the French and German press reflect the key moments in Franco-German relations and emphasise how this ‘marriage of convenience’ between two leaders has influenced the European integration process, illustrating both the successes and failures of the duo. The selected cartoons provide an often cheeky, sarcastic interpretation of the Franco-German duo, that special relationship, which, despite its periods of tension and crisis, has always bounced back and has often served as a driving force for European unification. The cartoons reflect the two leaders’ attitudes to the challenges of the European integration process, painting an often humorous but at times openly critical picture of this bilateral relationship. [less ▲]

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See detailSpecific Markov-switching behaviour for ARMA parameters
Carpantier, Jean-Francois UL; Dufays, Arnaud

E-print/Working paper (2014)

Change-point (CP) and Markov-switching (MS) Auto-regressive models have been intensively discussed over the last two decades due to their flexibility and their relatively simple estimations. Although CP ... [more ▼]

Change-point (CP) and Markov-switching (MS) Auto-regressive models have been intensively discussed over the last two decades due to their flexibility and their relatively simple estimations. Although CP- and MS-ARMA models constitute a natural extension, they have been barely studied. The main reason comes from that classical inference fails when estimating these models. In particular the CP- and MS-ARMA models exhibit path dependence problem that renders the likelihood out of reach. We propose an estimation method that circumvents the issue. Our MCMC algorithm resting on the sticky in.finite hidden Markov-switching model (sticky IHMM) self-determines the number of regimes as well as the specification : CP or MS. Furthermore, the CP and MS frameworks usually assume that all the model parameters vary from one regime to another. We relax this restrictive assumption. As illustrated by simulations realized on moderate samples (300 observations), the sticky IHMM-ARMA algorithm detects which parameters of the model change over regimes. Applications to the U.S. GDP growth and the DJIA realized volatility highlight this flexibility by estimating different structural breaks for the mean and the variance parameters. [less ▲]

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See detailMaximal Surface in AdS convex GHM 3-manifold with particles
Toulisse, Jérémy UL

E-print/Working paper (2013)

We prove the existence of a unique maximal surface in an anti-de Sitter (AdS) convex Globally Hyperbolic Maximal (GHM) manifold with particles (i.e. with conical singularities along timelike lines) for ... [more ▼]

We prove the existence of a unique maximal surface in an anti-de Sitter (AdS) convex Globally Hyperbolic Maximal (GHM) manifold with particles (i.e. with conical singularities along timelike lines) for cone-angles less than $\pi$. We reinterpret this result in terms of Teichm\"uller theory, and prove the existence of a unique minimal Lagrangian diffeomorphism isotopic to the identity between two hyperbolic structures with conical singularities of the same angles on a closed surface with marked points. [less ▲]

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See detailConstruction of sheaves on the subanalytic site
Guillermou, Stéphane; Schapira, Pierre UL

E-print/Working paper (2013)

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See detailRegards sur le sentiment de sécurité des résidents au Luxembourg
de Puydt, Cécile; Reichmann, Liliane; Heinz, Andreas UL et al

E-print/Working paper (2013)

Cette publication présente les résultats de l’enquête sur la sécurité réalisée courant 2013 au Luxembourg. L’exploitation des résultats est réalisée conjointement par le STATEC et l’Université du ... [more ▼]

Cette publication présente les résultats de l’enquête sur la sécurité réalisée courant 2013 au Luxembourg. L’exploitation des résultats est réalisée conjointement par le STATEC et l’Université du Luxembourg/INSIDE (Integrative Research Unit on Social and Individual Development). L’enquête pose différentes questions concernant la perception par les résidents du niveau de sécurité dans leur voisinage, leurs craintes quant à différents délits, mais également leur satisfaction par rapport au travail de la police et de la justice. Les mesures de précaution comme des alarmes ou des portes sécurisées font également partie des sujets traités. Pour finir, on se penchera sur la proportion d’incidents qui font effectivement l’objet d’une plainte auprès de la police. [less ▲]

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See detailRegards sur la sécurité et les délits au Luxembourg
de Puydt, Cécile; Reichmann, Liliane; Heinz, Andreas UL et al

E-print/Working paper (2013)

Cette publication présente les principaux résultats de l’enquête sur la sécurité réalisée courant 2013 au Luxembourg. L’exploitation des résultats est réalisée conjointement par le STATEC et l’Université ... [more ▼]

Cette publication présente les principaux résultats de l’enquête sur la sécurité réalisée courant 2013 au Luxembourg. L’exploitation des résultats est réalisée conjointement par le STATEC et l’Université du Luxembourg/INSIDE (Integrative Research Unit on Social and Individual Development). L’enquête couvre différents types de « délits ». Les délits pris en compte sont les délits dont les résidents de 16 ans ou plus ont été victimes entre 2008 et 2013, mais pouvant avoir eu lieu dans un autre pays. De plus, ces délits reprennent les faits déclarés à la police, mais également tous les délits qui n’ont pas fait l’objet d’une plainte. Les données récoltées permettent ainsi d’apporter un nouveau regard sur les données de la criminalité au Luxembourg. [less ▲]

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See detailA very good triple of operads
Riviere, Salim UL

E-print/Working paper (2013)

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See detailLa transition des jeunes de l’éducation vers l‘emploi - Der Übergang Jugendlicher von der Ausbildung in die Erwerbstätigkeit
Willems, Helmut UL; Heinz, Andreas UL; Peltier, François et al

E-print/Working paper (2013)

C’est à partir de 15 ans que commence la transition des jeunes de l’éducation vers le marché du travail. Cette phase de transition se clôt vers l’âge de 30 ans. À l’âge de 29 ans, 83.7% des jeunes adultes ... [more ▼]

C’est à partir de 15 ans que commence la transition des jeunes de l’éducation vers le marché du travail. Cette phase de transition se clôt vers l’âge de 30 ans. À l’âge de 29 ans, 83.7% des jeunes adultes ont un emploi, 4.1% sont occupés dans leur propre ménage et seulement 3.2% suivent encore une formation. Chez les 25-29 ans, la part des chômeurs est d’autant plus élevée que le niveau d’éducation est faible. De même, dans cette tranche d’âge, les personnes ayant un niveau d’éducation faible travaillent plus souvent dans leur propre ménage. Parmi les jeunes qui ont un emploi, la part des contrats de travail à durée déterminée (CDD) diminue avec l’âge : chez les personnes âgées de 21 ans, la part des CDD est de 23.9 % ; elle recule à 9.9% chez les personnes âgées de 29 ans. 32.2% de l’ensemble des jeunes âgés de 15 à 29 ans et ayant un emploi travaillent dans la branche « administration publique, éducation, santé et action sociale ». En revanche, le pourcentage correspondant n’est que de 0.9% dans l’agriculture. La part des femmes âgées de 15 à 29 ans est la pIus importante dans la branche des « autres services » (74.9%) qui inclut notamment les activités des ménages en tant qu’employeurs et donc les femmes de ménage. Les femmes sont peu représentées dans la construction (9.7%). Les étrangers de 15 à 29 ans sont surrepré-sentés dans la construction, mais également dans les « activités spécialisées, scientifiques et techniques et activités de services administratifs et de soutien » (environ 65% dans ces deux branches). En revanche, les étrangers sont sous-représentés dans la branche « administration publique, éducation et santé et action sociale » (14.7% de l’emploi des 15-29 ans dans cette branche), ainsi que dans l’agriculture (13.3%). Avec 46.9%, près de la moitié des jeunes de nationalité luxembourgeoise travaillent dans le secteur public et parapublic (administration publique, éducation, santé et action sociale). La répartition des jeunes étrangers sur les différentes branches d’activité est plus équilibrée. [less ▲]

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See detailMicrobiome and type 1 diabetes
Wampach, Linda UL; Wilmes, Paul UL; De Beaufort, Carine UL

E-print/Working paper (2013)

The human microbiome (the collective of microorganisms, which inhabit the human body) and changes therein (often referred to as microbial dysbiosis) is emerging as a potential player in the development of ... [more ▼]

The human microbiome (the collective of microorganisms, which inhabit the human body) and changes therein (often referred to as microbial dysbiosis) is emerging as a potential player in the development of type 1 diabetes mellitus. This section discusses the human microbiome and its potential involvement in type 1 diabetes through its central roles in energy metabolism and modulation of the immune system. [less ▲]

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See detailParallel Implementation of LEA
Seo, Hwajeong; Liu, Zhe UL; Park, Taehwan et al

E-print/Working paper (2013)

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See detailNews Flow, Web Attention and Extreme Returns in the European Financial Crisis
Chouliaras, Andreas UL; Grammatikos, Theoharry UL

E-print/Working paper (2013)

We examine the existence of stock market contagion effects among three groups of countries: the Euro-periphery countries (Portugal, Ireland, Italy, Greece, Spain), the Euro-core countries (Germany, France ... [more ▼]

We examine the existence of stock market contagion effects among three groups of countries: the Euro-periphery countries (Portugal, Ireland, Italy, Greece, Spain), the Euro-core countries (Germany, France, the Netherlands, Finland, Belgium), and the major European Union -but not euro- countries (Sweden, UK, Poland, Czech Republic, Denmark). Using daily stock market data from January 2004 till March 2013, contagion effects for the tails of the marginal distributions are present for the Pre-crisis and the Euro-crisis periods within the Euro-periphery countries and from the Euro-periphery group to the Non-Euro and the Euro-core groups. We do not find a significant change in the contagion transmission mechanism when comparing the two periods, but for the Euro-crisis periods the extreme returns have a higher magnitude. Finally, we propose a connection between extreme stock market returns, the Web Attention index and two News Flow factors. The Euro-periphery Web Attention and News Flow variables significantly affect the probabilities of extreme bottom returns for the Euro-periphery, the Non-euro and the Euro-core groups. The effect is asymmetric in most of the cases since the Euro-periphery Web Attention and News Flow factors do not affect the probabilities of extreme top returns, with a few exceptions. More Web Attention and more bad news for the Euro-periphery in times of crisis are associated with higher probabilities of extreme bottom returns within and across groups. Granger-causality tests show that the News Pessimism and the News Relevance factors exhibit a two-way causality with the stock market movements while the Web Search Volume Index (SVI) one-way Granger-causes stock markets and extreme bottom returns in the three country groups. [less ▲]

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See detailLes personnes âgées - Ältere Menschen in Luxemburg
Ferring, Dieter UL; Heinz, Andreas UL; Peltier, François et al

E-print/Working paper (2013)

Am 1. Februar 2011 lebten 71 742 Menschen über 64 Jahre in Luxemburg, was einem Anstieg von +17.5% im Vergleich zur Volkszählung 2001 entspricht. Verglichen mit dem Wachstum der Gesamtbevölkerung von 16.6 ... [more ▼]

Am 1. Februar 2011 lebten 71 742 Menschen über 64 Jahre in Luxemburg, was einem Anstieg von +17.5% im Vergleich zur Volkszählung 2001 entspricht. Verglichen mit dem Wachstum der Gesamtbevölkerung von 16.6% ist die Zahl der älteren Menschen somit etwas stärker gewachsen. Der Ausländeranteil ist bei den älteren Menschen deutlich niedriger als in der Gesamtbevölkerung (21.4% vs. 43.0%). Allerdings ist der Ausländeranteil in dieser Bevölkerungsgruppe seit der Volkszählung 2001 gestiegen (damals 15.3%). Die höhere Lebenserwartung von Frauen zeigt sich darin, dass der Frauenanteil mit zunehmendem Alter ansteigt: Bei den über 64-Jährigen liegt der Frauenanteil bei 57.2%, bei den über 84-Jährigen bei 73.2%. Damit geht einher, dass es für Frauen deutlich wahrscheinlicher ist, dass ihr Partner vor ihnen stirbt. Frauen sind damit mit einer höheren Wahrscheinlichkeit im Alter alleinstehend, leben bei ihren Kindern oder ziehen in ein Pflegeheim. Umgekehrt ist es für Männer deutlich wahrscheinlicher, dass sie auch im höheren Alter noch mit ihrer Partnerin im Privathaushalt zusammenleben. [less ▲]

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See detailEnfants, jeunes et jeunes adultes - Kinder, Jugendliche und junge Erwachsene in Luxemburg
Willems, Helmut UL; Heinz, Andreas UL; Peltier, François et al

E-print/Working paper (2013)

De 2001 à 2011, le nombre d’enfants et de jeunes âgés de moins de 20 ans est passé de 107 930 à 119 173, soit une augmentation de 10.4%. Comme la population totale s’est accrue plus fortement (+16.6 ... [more ▼]

De 2001 à 2011, le nombre d’enfants et de jeunes âgés de moins de 20 ans est passé de 107 930 à 119 173, soit une augmentation de 10.4%. Comme la population totale s’est accrue plus fortement (+16.6% entre 2001 et 2011), la part des moins de 20 ans dans la population a diminué légèrement, de 24.6% en 2001 à 23.3% en 2011. Chez les Italiens résidant au Luxembourg, le pourcentage correspondant est particulièrement faible : 13.4% des Italiens ont moins de 20 ans. En revanche, 43.2% des Monténégrins résidant au Luxembourg ont moins de 20 ans. 99.2 % des enfants et des jeunes de moins de 20 ans vivent dans des ménages privés (par opposition à des ménages collectifs, comme les foyers). Sur ces jeunes vivant dans des mé-nages privés, 82.6% habitent avec leurs deux parents ou avec un de leurs parents qui vit lui-même avec un partenaire. 15.9% des jeunes de moins de 20 ans habitent avec un parent isolé. À l’âge de 25 ans, 55.8% des jeunes ne vivent plus avec leurs parents. Chez les étrangers, à 25 ans, la part de ceux qui n’habitent plus avec leurs parents est plus élevée que cette moyenne (74.8%), alors que, pour les Luxembourgeois, la part est plus faible (39.6%). Dans la classe d’âge de 25-29 ans, 75% des Luxembourgeois sont encore célibataires. Ce pourcentage vaut également pour les Français, les Italiens, les Belges, les Allemands, les Britanniques, les Néerlandais et les Espagnols. En revanche, seulement 53.1% des Portugais et 17.1% des Monténégrins sont encore célibataires dans la classe d’âge des 25-29 ans. En termes absolus, la majorité des enfants et des jeunes habite dans la capitale ou dans le Sud-Ouest du pays. En termes relatifs, la part des enfants et des jeunes dans la population est cepen-dant plus élevée dans le Nord et dans le Nord-Est du pays. [less ▲]

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See detailLes Allemands au Luxembourg - Deutsche in Luxemburg
Heinz, Andreas UL; Thill, Germaine; Peltier, François et al

E-print/Working paper (2013)

À la date du recensement (1er février 2011), 12 049 Allemands vivaient au Luxembourg, soit 2.4% de la population totale. En termes absolus, le nombre d’Allemands a augmenté légèrement, mais de façon ... [more ▼]

À la date du recensement (1er février 2011), 12 049 Allemands vivaient au Luxembourg, soit 2.4% de la population totale. En termes absolus, le nombre d’Allemands a augmenté légèrement, mais de façon continue, depuis le recensement de 1970; cependant leur part dans la population reste relativement stable depuis 1947. L’âge moyen des Allemands est légèrement supérieur à celui de la population du Grand-Duché dans son ensemble (42.1 ans, contre 38.7 ans). La très grande majorité des Allemands habitant au Luxembourg sont nés en Allemagne (78.2%), alors que 12.4% sont nés au Luxembourg. En termes absolus, les Allemands sont les plus nombreux à Luxembourg-Ville (3 546), soit 3.7% de la population de la capitale. La part relative des Allemands est cependant la plus élevée dans la commune de Grevenmacher, avec 7.7% de la population. D’une manière générale, les Allemands ont un niveau d’éducation supérieur à la moyenne des habitants du Luxembourg, les cohortes jeunes des Allemands présents dans le pays ayant atteint des niveaux d’éducation plus élevés que les cohortes plus âgées. [less ▲]

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See detailEndogenous trade restrictions and exporters' pricing behavior
Rovegno Malharin, Laura UL

E-print/Working paper (2013)

This paper analyses the effect of antidumping (AD) duties on the pricing behaviour of exporters targeted with these measures. Using product and firm-level data for South Korea, the study provides evidence ... [more ▼]

This paper analyses the effect of antidumping (AD) duties on the pricing behaviour of exporters targeted with these measures. Using product and firm-level data for South Korea, the study provides evidence of increased export unit values and firms’ markups following the imposition of AD ad valorem duties. These findings are consistent with the hypothesis that, unlike other import tariffs, AD duties are not absorbed by exporters. The results on firms’ average markups also suggest that the price adjustment following the imposition of AD duties occurs mostly through the export price, and not through reductions in the exporter’s home price. The analysis controls for the presence of other trade measures as well as the endogeneity in AD and other contingent protection measures. [less ▲]

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See detailWho benefits from partial tax coordination?
Han, Yutao UL

E-print/Working paper (2013)

In this paper, we investigate whether partial tax coordination is beneficial to <br />countries within and outside a tax union, in which countries are supposed to compete <br />in taxes and infrastructure ... [more ▼]

In this paper, we investigate whether partial tax coordination is beneficial to <br />countries within and outside a tax union, in which countries are supposed to compete <br />in taxes and infrastructure. Our results demonstrate that, a subgroup of countries <br />agreeing on a common tax rate, can harm both member and nonmember <br />states. This is in contrast to the classical findings that partial tax harmonization <br />is Pareto improving. When a minimum tax rate is imposed within a tax union, we <br />demonstrate that it does not necessarily improve the welfare of the member countries. <br />Moreover, both the high tax and low tax countries can be worse off. This <br />conclusion is at odds with the classical result that a high tax country benefits from <br />the imposition of a lower tax bound. [less ▲]

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See detailLes communes de la région sud - Die Gemeinden der Région sud
Heinz, Andreas UL; Thill, Germaine; Peltier, François et al

E-print/Working paper (2013)

À la date du recensement au 1er février 2011, 148 812 personnes vivaient dans la région sud du pays, soit une augmentation de 12.3% par rapport au recensement de 2001. Cette augmentation de la population ... [more ▼]

À la date du recensement au 1er février 2011, 148 812 personnes vivaient dans la région sud du pays, soit une augmentation de 12.3% par rapport au recensement de 2001. Cette augmentation de la population est inférieure à la moyenne nationale (+16.6%). La structure par âge de la population de la région sud est assez proche de celle du pays dans son ensemble. On note néanmoins des différences significatives entre Luxembourgeois et étrangers. Les Luxembourgeois sont surreprésentés dans les cohortes âgées et parmi les jeunes adultes. En re-vanche, les étrangers sont surreprésentés parmi les enfants et, surtout, dans les cohortes d’âge moyen de 25 à 50 ans. 58.9% des habitants de la région sud sont luxembourgeois et 23.1% sont portugais. Le pourcentage des personnes de toutes les autres nationalités présentes atteint 18% de la population. Avec 41.1%, la part globale des étrangers dans la population de la région sud est un peu inférieure à la moyenne nationale (43.0% d’étrangers). La part des propriétaires de logement est de 76% dans la région sud, soit un pourcentage légèrement supé-rieur à la moyenne nationale (73.0%). En revanche, la surface moyenne de logement est plus réduite dans la région sud que dans le pays dans son en-semble (117 m², contre 130 m²). Le loyer moyen est de 727 € dans la région sud, alors qu’il est de 888 € dans le pays. En revanche, comme les surfaces louées sont plus réduites qu’en moyenne nationale, le loyer par mètre carré ne se situe pas très loin de la moyenne du Grand-Duché (11.86 €/m² dans la région sud, contre 12.45 €/m² dans le pays dans son ensemble). Quant aux types de ménages, les diffé-rences entre la région sud et le pays dans son en-semble sont peu significatives. En revanche, on constate des écarts importants quant au niveau d’éducation. 45.5% de la population de la région sud ont un niveau d’éducation faible (primaire, se-condaire inférieur). Le pourcentage correspondant n’est que de 34.5% en moyenne dans le pays. À l’inverse, la part des habitants de la région sud ayant un niveau d’éducation élevé (enseignement supérieur) est, avec 15.1%, largement inférieure à la moyenne nationale (27.1%). [less ▲]

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See detailReprésentation des fonctions de réponse radiométrique
Al-Sarray, Basad; Bogosel, Beniamin; Dalissier, Eric et al

E-print/Working paper (2013)

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See detailLes communes de la Nordstad - Die Gemeinden der Nordstad
Heinz, Andreas UL; Thill, Germaine; Peltier, François et al

E-print/Working paper (2013)

22 349 personnes habitaient dans les communes de la Nordstad au moment du recensement (1er février 2011), soit 7.2% de plus qu’en 2001. Dans les quatre communes les moins peuplées et périphériques aux ... [more ▼]

22 349 personnes habitaient dans les communes de la Nordstad au moment du recensement (1er février 2011), soit 7.2% de plus qu’en 2001. Dans les quatre communes les moins peuplées et périphériques aux communes de Diekirch et Ettelbrück, la croissance démographique dépasse la moyenne de la Nordstad, alors que l’augmentation du nombre d’habitants à Ettelbrück (+6.6%) et à Diekirch (+4.1%) est plus faible que la moyenne. Globalement, l’augmentation de la population de la Nordstad (+7.2%) se situe en deçà de celle du pays dans son ensemble (+16.6%). La structure par âge de la population de la Nordstad correspond globalement à celle du Grand-Duché. Cependant, la présence de la caserne militaire à Diekirch fait que les hommes jeunes sont surreprésentés. Comparés aux étrangers, les Luxembourgeois sont surreprésentés dans les cohortes âgées, alors que les étrangers sont surreprésentés dans les cohortes d’âge moyen. 60.9% des habitants de la Nordstad sont des Luxembourgeois et 24.1% des Portugais. Toutes les autres nationalités représentent 15.0% des habitants. En ce qui concerne le logement (taux de propriétaires, surface moyenne de logement, taille des ménages), les situations dans la Nordstad et au Grand-Duché dans son ensemble sont comparables. En revanche, avec 737 € en moyenne, les loyers se situent largement en-dessous de la moyenne nationale (888 €). Quant au niveau d’éducation, on constate des différences significatives entre la Nordstad et le pays dans son ensemble. Si au Grand-Duché moins d’un tiers des habitants a un niveau d’éducation faible (34.5%), le pourcentage correspondant atteint 42.1% dans la Nordstad. À l’inverse, la part des habitants ayant atteint un niveau d’éducation élevé n’est que de 18.8% dans la Nordstad, contre 27.1% dans la population totale. [less ▲]

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See detailLes personnes vivant en couple
Thill, Germaine; Peltier, François; Heinz, Andreas UL et al

E-print/Working paper (2013)

Parmi les 512 353 personnes recensées au 1er février 2011, 231 472 (soit 45.2%) vivent en couple. Ce pourcentage est un peu plus élevé pour les étrangers (47.6%) que pour les Luxembourgeois (43.4%). 88.1 ... [more ▼]

Parmi les 512 353 personnes recensées au 1er février 2011, 231 472 (soit 45.2%) vivent en couple. Ce pourcentage est un peu plus élevé pour les étrangers (47.6%) que pour les Luxembourgeois (43.4%). 88.1% des personnes vivant en couple sont mariées, 9.1% vivent en union consensuelle et 2.7% sont « pacsées ». Les Luxembourgeois sont un peu plus souvent mariés (89.1%) que les personnes de nationalité étrangère (86.9%), qui eux vivent plus souvent en union consensuelle avec respectivement 10.8% des étrangers et 7.8% des Luxembourgeois. Il existe une corrélation assez prononcée entre l’âge et le fait d’être marié, car seulement 45% des personnes âgées de 20 à 24 ans qui vivent en couple sont mariées, alors que presque la totalité des 65 ans et plus le sont (97.9%). Concernant la situation socio-économique des personnes vivant en couple, 59.5% ont un emploi tandis qu’environ un cinquième est à la retraite. Les personnes mariées ont plus souvent des enfants vivant dans le même noyau familial que les deux autres types d’union. En effet, 61.5% des personnes mariées ont des enfants vivant dans le même noyau familial contre respectivement 53.2% et 38.5% pour les personnes en union consensuelle ou pacsées. On dé-nombre au total 13.1% de couples mixtes (Luxembourgeois-étranger), 48.1% de couples formés par des Luxembourgeois et 38.8% de couples constitués par 2 étrangers. Une mixité plus prononcée est observée parmi les couples vivant en union consensuelle ou pacsés que parmi les couples mariés. Un cinquième de ces couples pacsés ou vivant en union consensuelle sont formés par une personne luxembourgeoise et une personne de nationalité étrangère (respectivement 19.2% et 20.7%). Ce pourcentage ne s’élève qu’à 12.1% pour les couples mariés. Parmi les couples où au moins une personne travaille, 4 sur 10 sont composés de deux personnes ayant le même statut dans l’emploi. Globalement, dans 27.8% des couples, on trouve au moins un des deux conjoints qui travaille dans le secteur public. [less ▲]

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See detailLeitfaden wissenschaftliches Arbeiten - Wie schreibe ich eine Hausarbeit und wie präsentiere ich sie?
Heinz, Andreas UL; Reuter, Julia; Zillien, Nicole

E-print/Working paper (2013)

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See detailProduct Unbundling in the Travel Industry: The Economics of Airline Bag Fees
Brueckner, Jan K.; Lee, Darin N.; Picard, Pierre M UL et al

E-print/Working paper (2013)

This paper provides theory and evidence on airline bag fees, offering insights into a real-world case of product unbundling. The theory predicts that an airline’s fares should fall when it introduces a ... [more ▼]

This paper provides theory and evidence on airline bag fees, offering insights into a real-world case of product unbundling. The theory predicts that an airline’s fares should fall when it introduces a bag fee, but that the full trip price (the bag fee plus the new fare) could either rise or fall. The empirical evidence presented in the paper provides strong confirmation of this prediction. The data also suggest that the average fare falls by less than the bag fee itself, so that the full price of a trip rises for passengers who choose to check bags. [less ▲]

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See detailLEARN stellt sech fier
Engel de Abreu, Pascale UL; Schiltz, Christine UL; Hoffmann, Danielle UL et al

E-print/Working paper (2013)

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See detailTimeliness in Selected Structural Credit Risk Models
Jin, Xisong UL; Lehnert, Thorsten UL; Nadal de Simone, Francisco

E-print/Working paper (2013)

We empirically investigate and evaluate various approaches to structurally assess credit risk changes using a panel of selected European banking groups. The objective is to evaluate the models according ... [more ▼]

We empirically investigate and evaluate various approaches to structurally assess credit risk changes using a panel of selected European banking groups. The objective is to evaluate the models according to one metric, i.e., their ability to correctly and timely identify changes in credit risk indicators useful for macroprudential policy. We consider not only the standard approaches in the literature, but also include models that allow the asset volatility to be stochastic and models that allow for short- and long-term components of default risk. Surprisingly, we find that the GARCH structural credit risk model, despite its more sophisticated modeling approach, typically underperforms more basic models. Importantly for macro-prudential policy, combining the Merton model with the GARCH-MIDAS model performs best and reflects important market events earlier than the other approaches. [less ▲]

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See detailGlobalization in the margins
Wang, Xuan; Spotti, Massimiliano; Juffermans, Kasper UL et al

E-print/Working paper (2013)

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See detailLes quartiers de la Ville de Luxembourg - Luxemburg-Stadt: Die Stadtteile
Heinz, Andreas UL; Peltier, François; Thill, Germaine et al

E-print/Working paper (2013)

Les habitants de la capitale (95 058 au 1er février 2011) se répartissent sur 24 quartiers. Le quartier de Bonnevoie-Sud est le plus peuplé (11 279 habitants), alors que Pulvermühle ne compte que 333 ... [more ▼]

Les habitants de la capitale (95 058 au 1er février 2011) se répartissent sur 24 quartiers. Le quartier de Bonnevoie-Sud est le plus peuplé (11 279 habitants), alors que Pulvermühle ne compte que 333 habitants. Entre 2001 et 2011, c’est le quartier du Cents qui a connu la croissance démographique la plus importante (+72.2%), tandis que les quartiers de Pfaffenthal (-8.7%) et de Clausen (-10.8%) ont perdu des habitants. Dans l’ensemble des quartiers de la capitale, la part des étrangers a augmenté. C’est dans le quartier de la Gare que la part des étrangers est la plus élevée (81.6% en 2011). Au Cents elle est la plus faible avec 42.4%. Dans le quartier de la Gare, la surface moyenne des logements est la plus restreinte (69.5 m²), alors qu’elle atteint plus du double à Cessange (130.0 m²). Les habitants du Grund et du quartier de la Gare vivent très majoritairement en location (respectivement 71.5% et 74.7% de la population). En revanche, au Cents, la part des locataires n’est que de 19.4%. En termes absolus, les loyers sont les plus élevés au Cents (1 285€ en moyenne par logement sans charges) et les moins élevés à Pfaffenthal (756€). Cependant, l’augmentation du prix des loyers de 2001 à 2011 est particulièrement importante au Pfaffenthal (+94.9%), alors qu’au Cents le loyer moyen n’a augmenté que de 28.7%. La surface des logements loués varie fortement entre les quartiers. Rapportés à la surface, les loyers sont les plus élevés dans le quartier de la Gare (17.08€ par m²), à Clausen (16.33€ par m²) et dans le quartier de Neudorf (16.27€ par m²). Ils sont les plus faibles à Pfaffenthal (11.41€ par m²) et à Hamm (11.79€ par m2). Dans la « Ville Haute Centre » et dans le quartier de la Gare, la part des personnes vivant seules est la plus élevée (43%). À Hamm, la part des couples avec enfant(s) parmi les ménages est la plus élevée (51.9%). En ce qui concerne le niveau d’éducation, c’est au Pfaffenthal que la part des personnes ayant un niveau d’éducation faible est la plus importante (53.0%), alors qu’au Limpertsberg le taux correspondant n’est que de 11.7%. Par contre, 67.5% des habitants du Limpertsberg ont atteint un niveau d’éducation élevé. [less ▲]

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See detailLa Ville de Luxembourg et sa périphérie - Luxemburg-Stadt im Vergleich zum Umland und dem Großherzogtum
Heinz, Andreas UL; Peltier, François; Thill, Germaine et al

E-print/Working paper (2013)

95 058 personnes vivaient dans la capitale à la date du recensement (1er février 2011), soit 24.0% de plus qu’en 2001. Avec ce taux, la croissance démographique de la Ville de Luxembourg a dépassé celle ... [more ▼]

95 058 personnes vivaient dans la capitale à la date du recensement (1er février 2011), soit 24.0% de plus qu’en 2001. Avec ce taux, la croissance démographique de la Ville de Luxembourg a dépassé celle de sa périphérie, c’est-à-dire Luxembourg-Campagne1 (dont la population a augmenté de 17.0% de 2001 à 2011), mais aussi celle de l’ensemble du pays (+16.6%). Luxembourg-Ville et Luxembourg-Campagne représentaient ensemble 29.6% des habitants du pays en 2011, contre 28.4% en 2001. Seul un tiers des habitants de la capitale sont des Luxembourgeois (35.1%), suivis par les Français (14.3%) et les Portugais (14.1%). La sur-face moyenne des logements dans la Ville de Luxembourg est de 105.5 m² et se situe largement en-dessous de la surface moyenne des logements dans l’ensemble du pays (129.9 m²) et dans la périphérie de la Ville (144.8 m² à Luxembourg-Campagne). Cependant, la taille moyenne des ménages à Luxembourg-Ville (1.94 personnes par ménage) est également plus réduite que dans l’ensemble du pays (2.41) et à Luxembourg-Cam-pagne (2.47). Avec 26.4%, la part des habitants vivant seuls est près de deux fois plus élevée dans la capitale que dans le pays pris dans son en-semble (13.8%). 40.3% des habitants de la capitale vivent dans des ménages constitués par un couple avec enfant(s), alors que dans le pays le pourcen-tage correspondant atteint les 51.8%. Les habitants de la Ville de Luxembourg ont souvent des niveaux d‘éducation plus élevés que dans le reste du pays. La part des personnes ayant un diplôme de type « master » ou un doctorat (33.9%) est plus de deux fois plus élevé que dans le pays en général (14.8%). En revanche, les niveaux d’éducation faibles ou moyens sont moins fréquents dans la capitale que dans le reste du pays. [less ▲]

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See detailDo Fund Investors Know that Risk is Sometimes not Priced?
Irek, Fabian UL; Lehnert, Thorsten UL

E-print/Working paper (2013)

Previous research suggests that investor sentiment has an influence on the market's risk-return trade-off. Noise tradersídemand for assets is considered to be risk independent and, as a result, risky ... [more ▼]

Previous research suggests that investor sentiment has an influence on the market's risk-return trade-off. Noise tradersídemand for assets is considered to be risk independent and, as a result, risky assets do not offer a risk premium when demand is high. We show that market risk is only a priced factor of expected fund returns when investor sentiment is low. Furthermore, fund investors seem aware that risk is sometimes not priced. During high sentiment periods, "smart" investors buy safe funds that subsequently outperform and sell risky funds that subsequently underperform. Our results are statistically and economically significant. [less ▲]

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See detailIncome Inequality and Support for Development Aid
Haas, Christina UL

E-print/Working paper (2013)

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See detailPatent office governance and patent examination quality
Picard, Pierre M. UL; van Pottelsberghe de la Potterie, Bruno

E-print/Working paper (2013)

The present paper discusses the role of quality in patent examination process from the perspective of patent offices' behavior and organization. After documenting original stylized facts, the paper ... [more ▼]

The present paper discusses the role of quality in patent examination process from the perspective of patent offices' behavior and organization. After documenting original stylized facts, the paper presents a model in which patent offices set patent fees and the quality level of their examination process. A higher effort in the examination process enhances the patent holders' protection in the judicial system and strengthens the screening of innovations with small inventive steps. We compare the quality of the examination process for various objectives of patent offices. Patent examination quality is the highest in an office maximizing incentives to innovate and the lowest in that maximizing the number of granted patents. A rent-seeking patent office can provide good incentives to innovate if it does not set too high markups on fees. [less ▲]

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See detailLes Belges au Luxembourg - Belgier in Luxemburg
Heinz, Andreas UL; Peltier, François; Thill, Germaine et al

E-print/Working paper (2013)

Am 1. Februar 2011 (Stichtag der Volkszählung) leb-ten 16 926 Belgier in Luxemburg, was 3.3 % der Gesamtbevölkerung entspricht. Damit ist ihre ab-solute Zahl die höchste, die bei einer Volkszählung seit ... [more ▼]

Am 1. Februar 2011 (Stichtag der Volkszählung) leb-ten 16 926 Belgier in Luxemburg, was 3.3 % der Gesamtbevölkerung entspricht. Damit ist ihre ab-solute Zahl die höchste, die bei einer Volkszählung seit 1875 gemessen wurden. Verglichen mit der Gesamtbevölkerung sind die Belgier im Durch-schnitt geringfügig älter (39.3 Jahre vs. 38.7 Jahre). Mit 73.6 % wurde die Mehrheit der Belgier in Belgien geboren, weitere 17.2 % wurden in Luxemburg ge-boren. In absoluten Zahlen wohnen die meisten Belgier in Luxemburg-Stadt (3 892), ihr Anteil an Wohnbevölkerung ist jedoch in Winseler mit 17.9 % deutlich höher als in der Hauptstadt (4.1 %). Insge-samt betrachtet haben die Belgier häufiger hohe formale Bildungsabschlüsse als die Gesamtbevöl-kerung, wobei in beiden Gruppen die jüngeren Ko-horten höhere Bildungsabschlüsse aufweisen als die älteren. [less ▲]

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See detailLes Français au Luxembourg - Franzosen in Luxemburg
Heinz, Andreas UL; Peltier, François; Thill, Germaine et al

E-print/Working paper (2013)

At the time of the census, 31,456 French lived in Luxembourg, or 6.1% of the total population. In absolute terms and as a percentage of the total population, these values ​​are the highest since the ... [more ▼]

At the time of the census, 31,456 French lived in Luxembourg, or 6.1% of the total population. In absolute terms and as a percentage of the total population, these values ​​are the highest since the census of 1875. The average age of the French living in Luxembourg is, with 34.7 years, lower than that of the total population (38.7 years). Since the 2001 census, the number of French living in Luxembourg increased by 57.4%. This growth exceeds even that of the total of foreigners which has increased by 35.9% since 2001. 72% of French residents in 2011 arrived between 1995 and 2011, while the corresponding figure for this time period is only 56% for all immigrants. 73.4% of the French living in the country were born in France and 16.4% were born in the Grand Duchy. The French are the most numerous in Luxembourg City (13 450 people). Their relative share is also the highest in the capital, with 14.1% of the population of the City of Luxembourg. Overall, the education level of french people living in Luxembourg is higher than that of the total population. [less ▲]

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See detailNiveau d’éducation de la population du Grand-Duché de Luxembourg
Peltier, François; Thill, Germaine; Heinz, Andreas UL et al

E-print/Working paper (2013)

Un peu plus d’un quart (27%) de la population âgée d’au moins 15 ans ne poursuivant plus d’études possèdent un diplôme de l’enseignement supérieur. Ce pourcentage est un peu plus élevé chez les hommes que ... [more ▼]

Un peu plus d’un quart (27%) de la population âgée d’au moins 15 ans ne poursuivant plus d’études possèdent un diplôme de l’enseignement supérieur. Ce pourcentage est un peu plus élevé chez les hommes que chez les femmes (29.7% contre 24.5%). En revanche, un cinquième de la population (19.9%) n’a pas dépassé le niveau d’enseignement primaire. La part des personnes ayant atteint le niveau du secondaire inférieur est de 14.6% et 35.5% de la population ont atteint un niveau d’éducation du secondaire supérieur. Depuis 2001, une augmentation du niveau d’éducation est observée. La part des diplômés de l’enseignement supérieur passe de 19.6% en 2001 à 27.0% en 2011. Les générations les plus âgées ont un niveau d’éducation moins élevé que les générations plus jeunes : 53.5% des 85 ans et plus ont, au maximum, atteint le niveau d’enseignement primaire, contre seulement 9.4% des 20 à 39 ans. Les personnes de nationalité étrangère sont surreprésentées pour deux niveaux d’éducation : le primaire et le supérieur. 24.4% des étrangers n’ont atteint que le niveau d’éducation primaire, contre 16.8% des Luxembourgeois. En revanche 31.8% des étrangers ont atteint un niveau d’éducation supérieur, contre seulement 23.7% des Luxembourgeois. Le type de diplôme obtenu à une grande influence sur la profession exercée. 88.6% des personnes qui travaillent dans les professions intellectuelles et scientifiques ont un diplôme de l’enseignement supérieur, alors qu’ils ne représentent que 1.8% des personnes exerçant une profession élémentaire. À noter également que 57.4% des personnes nées au Grand-Duché et ayant obtenu un diplôme supérieur ont acquis leur diplôme à l’étranger. Si l’on ne prend en compte que les personnes ayant obtenu un master ou un doctorat, ce pourcentage atteint les 90.7%. [less ▲]

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See detailDoes it Pay to Invest in Art? A Selection-corrected Returns Perspective
Kräussl, Roman UL; Korteweg, Arthur; Verwijmeren, Patrick

E-print/Working paper (2013)

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See detailLes Portugais au Luxembourg - Portugiesen in Luxemburg
Heinz, Andreas UL; Peltier, François; Thill, Germaine et al

E-print/Working paper (2013)

On the occasion of the Portugal day, STATEC and the University of Luxembourg publish a portrait of the portuguese population living in Luxembourg, based on the results of the population census. On ... [more ▼]

On the occasion of the Portugal day, STATEC and the University of Luxembourg publish a portrait of the portuguese population living in Luxembourg, based on the results of the population census. On February 1st 2011 (Census Day), 82 363 Portuguese lived in Luxembourg, who make up 16.1% of the total population. Since 1970, the absolute number of Portuguese, as well as their share in the population increased continuously. The average age of the Portuguese is much lower than the average age of the total population (32.9 years against 38.7 years). 3 011 Portuguese living in Luxembourg are 65 years and older. This corresponds to only 3.7% of the total Portuguese population living in Luxembourg, whereas the proportion of persons aged 65 and over in the total population reached 14%. 70.0% of Portuguese living in Luxembourg were born in Portugal and 24.4% were born in Luxembourg. In absolute terms, most Portuguese (13 567) live in the City of Luxembourg. However, their relative share is the highest in Larochette (45.2% of the population of this municipality). On average, the Portuguese have a lower level of education than the total population. However, as for the total population, the level of education increased: the younger cohorts are better educated than older cohorts. Nevertheless, a gap remains. In the age group of 25 to 34 years, 50% of Portuguese people have a low level of education (primary and lower secondary), while the corresponding percentage is 20% for this age group in the total population. 53% of Portuguese living in the country in 2011 immigrated to Luxembourg between 1995 and 2011. [less ▲]

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See detailDerived category of filtered objects
Schapira, Pierre UL; Schneiders, Jean-Pierre

E-print/Working paper (2013)

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See detailLa langue principale, celle que l’on maîtrise le mieux - Die am besten beherrschte Sprache (Hauptsprache)
Fehlen, Fernand UL; Heinz, Andreas UL; Peltier, François et al

E-print/Working paper (2013)

Avec 55.8%, la grande majorité des habitants du pays ont indiqué le luxembourgeois comme langue principale. Le portugais (15.7%) et le français (12.1%) suivent en deuxième et troisième position. Il existe ... [more ▼]

Avec 55.8%, la grande majorité des habitants du pays ont indiqué le luxembourgeois comme langue principale. Le portugais (15.7%) et le français (12.1%) suivent en deuxième et troisième position. Il existe un lien fort entre la nationalité et la langue principale : 88.8% des Luxembourgeois indiquent maîtriser le mieux la langue luxembourgeoise, ce taux est de seulement 8.0% pour les étrangers. Il est de 95.5% pour les Luxembourgeois de naissance et de 49.7% pour les Luxembourgeois par naturalisation. Le pays d'origine des parents a une influence sur la langue principale des Luxembourgeois de naissance de moins de 20 ans. Si les deux parents sont nés au Grand-Duché, la langue principale des enfants est dans 98.3% des cas le luxembourgeois ; si les deux parents sont nés à l’étranger, ce taux est seulement de 50.4%. Pour les immigrés, le taux de ceux qui indiquent le luxembourgeois comme langue principale augmente avec la durée de séjour: Pour ceux arrivés avant 1962, la proportion est de 49.8% ; pour ceux venus entre 2007 et 2011, elle tombe à 1.5%. La présence du luxembourgeois comme langue principale est particulièrement marquée là où la proportion des étrangers est faible : à Consthum, le luxembourgeois est la langue principale de 83.9% des habitants alors que dans la ville de Luxembourg, cette proportion est de 35.2%. [less ▲]

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See detailRäume der Grenze – eine praxistheoretische Perspektive in den kulturwissenschaftlichen Border Studies
Wille, Christian UL

E-print/Working paper (2013)

In diesem Beitrag wird untersucht, wie praxistheoretische mit raumtheoretischen Überlegungen verknüpft und in eine Heuristik der kulturwissenschaftlichen Raumanalyse überführt werden können. Diese ... [more ▼]

In diesem Beitrag wird untersucht, wie praxistheoretische mit raumtheoretischen Überlegungen verknüpft und in eine Heuristik der kulturwissenschaftlichen Raumanalyse überführt werden können. Diese Fragestellung resultiert aus der Einsicht, dass Raum als ein emergenter Aspekt des Sozialen zu betrachten ist und dass er in den Border Studies noch weitgehend unterbestimmt ist. Unter Rückgriff auf verschiedene Raumkonzepte wird zunächst ein handlungstheoretisches Verständnis von Raum vorgestellt und praxistheoretisch reformuliert. Es bildet den Ausgangspunkt zur Entwicklung des Modells Räume der Grenze mit seinen Analysekategorien soziale Praktiken, praktisches Wissen sowie physisch-materiale und sozial-strukturelle Aspekte. Von besonderem heuristischen Nutzen erweisen sich die vielfältigen Verbindungen zwischen diesen Analysekategorien. [less ▲]

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See detailLes Italiens au Luxembourg - Italiener in Luxemburg
Heinz, Andreas UL; Peltier, François; Thill, Germaine et al

E-print/Working paper (2013)

On February 1st 2011 (Census Day), 18,059 Italians lived in Luxembourg and made up 3.5% of the total population. Their number has decreased since 1970. In that year 23,490 Italians (6.9% of the total ... [more ▼]

On February 1st 2011 (Census Day), 18,059 Italians lived in Luxembourg and made up 3.5% of the total population. Their number has decreased since 1970. In that year 23,490 Italians (6.9% of the total population) are still counted. In 1960, Italians accounted for 37.8% of all foreigners living in Luxembourg. In 2011, the Italians account only for 8.2% of the foreign citizens living in Luxembourg. In comparison with the general population, the Italians are much older on average (45.2 years for Italians, against 38.7 years on average for the total population). The majority of Italians living in Luxembourg was born in Italy (62.7%). 28.3% were born in Luxembourg. In absolute terms, most Italians live in the City of Luxembourg (5 750, nearly 30% of all Italians living in the Grand Duchy). However, their relative proportion in the population is the largest in Bertrange (7.0% of the population of the municipality, against 3.5% at the national level). Overall, the Italians have a lower level of formal education than the total population on average. However, young Italians have more often higher levels of education than people of the same age in the total population. [less ▲]

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See detailMénages et types de familles
Thill, Germaine; Peltier, François; Heinz, Andreas UL et al

E-print/Working paper (2013)

On the occasion of the International Day of Families, celebrated annually on May 15, STATEC and the University of Luxembourg / INSIDE (Integrative Research Unit on Social and Individual Development ... [more ▼]

On the occasion of the International Day of Families, celebrated annually on May 15, STATEC and the University of Luxembourg / INSIDE (Integrative Research Unit on Social and Individual Development), publish the first results on the situation of households and families in the Grand Duchy of Luxembourg. Of the 512 353 people enumerated on February 1st 2011, 503 280 persons, or more than 98% live in private households and 2% in collective households. 83.4% of people living in private households are part of a family household, that is to say, a household in which at least two persons must be related. Nearly two-thirds of people live in households formed of only one couple with or without children, and 10% live in single-parent households. [less ▲]

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See detail1.8% de la population vit dans un ménage collectif
Heinz, Andreas UL; Peltier, François; Thill, Germaine et al

E-print/Working paper (2013)

On 1st February 2011, 1.8% of the population of the Grand Duchy were in an institutional household (9073 persons). Among those persons, we find mainly people living in old people’s home (56.1% of ... [more ▼]

On 1st February 2011, 1.8% of the population of the Grand Duchy were in an institutional household (9073 persons). Among those persons, we find mainly people living in old people’s home (56.1% of collective households), then people living in home for adults (10.4%), children living in home for child (5.8%), military living in barracks (5.5%) and those in prison (5.0%). If everyone may need at a time in his life to stay in a collective household, two age’s categories are particularly relevant: the elderly and young adults. [less ▲]

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