References of "E-prints/Working papers"      in Complete repository Arts & humanities   Archaeology   Art & art history   Classical & oriental studies   History   Languages & linguistics   Literature   Performing arts   Philosophy & ethics   Religion & theology   Multidisciplinary, general & others Business & economic sciences   Accounting & auditing   Production, distribution & supply chain management   Finance   General management & organizational theory   Human resources management   Management information systems   Marketing   Strategy & innovation   Quantitative methods in economics & management   General economics & history of economic thought   International economics   Macroeconomics & monetary economics   Microeconomics   Economic systems & public economics   Social economics   Special economic topics (health, labor, transportation…)   Multidisciplinary, general & others Engineering, computing & technology   Aerospace & aeronautics engineering   Architecture   Chemical engineering   Civil engineering   Computer science   Electrical & electronics engineering   Energy   Geological, petroleum & mining engineering   Materials science & engineering   Mechanical engineering   Multidisciplinary, general & others Human health sciences   Alternative medicine   Anesthesia & intensive care   Cardiovascular & respiratory systems   Dentistry & oral medicine   Dermatology   Endocrinology, metabolism & nutrition   Forensic medicine   Gastroenterology & hepatology   General & internal medicine   Geriatrics   Hematology   Immunology & infectious disease   Laboratory medicine & medical technology   Neurology   Oncology   Ophthalmology   Orthopedics, rehabilitation & sports medicine   Otolaryngology   Pediatrics   Pharmacy, pharmacology & toxicology   Psychiatry   Public health, health care sciences & services   Radiology, nuclear medicine & imaging   Reproductive medicine (gynecology, andrology, obstetrics)   Rheumatology   Surgery   Urology & nephrology   Multidisciplinary, general & others Law, criminology & political science   Civil law   Criminal law & procedure   Criminology   Economic & commercial law   European & international law   Judicial law   Metalaw, Roman law, history of law & comparative law   Political science, public administration & international relations   Public law   Social law   Tax law   Multidisciplinary, general & others Life sciences   Agriculture & agronomy   Anatomy (cytology, histology, embryology...) & physiology   Animal production & animal husbandry   Aquatic sciences & oceanology   Biochemistry, biophysics & molecular biology   Biotechnology   Entomology & pest control   Environmental sciences & ecology   Food science   Genetics & genetic processes   Microbiology   Phytobiology (plant sciences, forestry, mycology...)   Veterinary medicine & animal health   Zoology   Multidisciplinary, general & others Physical, chemical, mathematical & earth Sciences   Chemistry   Earth sciences & physical geography   Mathematics   Physics   Space science, astronomy & astrophysics   Multidisciplinary, general & others Social & behavioral sciences, psychology   Animal psychology, ethology & psychobiology   Anthropology   Communication & mass media   Education & instruction   Human geography & demography   Library & information sciences   Neurosciences & behavior   Regional & inter-regional studies   Social work & social policy   Sociology & social sciences   Social, industrial & organizational psychology   Theoretical & cognitive psychology   Treatment & clinical psychology   Multidisciplinary, general & others     Showing results 1001 to 1100 of 1601     6 7 8 9 10 11 12 13 14 15 16     Position space Feynman quadrics and their motivesCeyhan, Ozgur E-print/Working paper (2015)Detailed reference viewed: 103 (5 UL) Horizontal holonomy and foliated manifoldsChitour, Yacine; Grong, Erlend ; Jean, Frédérick et alE-print/Working paper (2015)We introduce horizontal holonomy groups, which are groups defined using parallel transport only along curves tangent to a given subbundle D of the tangent bundle. We provide explicit means of computing ... [more ▼]We introduce horizontal holonomy groups, which are groups defined using parallel transport only along curves tangent to a given subbundle D of the tangent bundle. We provide explicit means of computing these holonomy groups by deriving analogues of Ambrose-Singer’s and Ozeki’s theorems. We then give necessary and sufficient conditions in terms of the horizontal holonomy groups for existence of solutions of two problems on foliated manifolds: determining when a foliation can be either (a) totally geodesic or (b) endowed with a principal bundle structure. The subbundle D plays the role of an orthogonal complement to the leaves of the foliation in case (a) and of a principal connection in case (b). [less ▲]Detailed reference viewed: 127 (3 UL) What Drives Exchange Rates? Reassessing Currency Return PredictabilityFerreira Filipe, Sara ; Maio, PauloE-print/Working paper (2015)We compute a variance decomposition for the log exchange rate based on a present-value relation. At long horizons, return predictability drives the variation in the exchange rate while predictability of ... [more ▼]We compute a variance decomposition for the log exchange rate based on a present-value relation. At long horizons, return predictability drives the variation in the exchange rate while predictability of future interest rate differentials plays a secondary role. At shorter horizons, the dominant source is predictability of the future spot rate. There is more return predictability and less interest spread and exchange rate predictability in the case of real exchange rates compared to nominal exchange rates. An alternative decomposition based on a first-order VAR tends to overstate the importance of predictability of future interest spreads and exchange rates. [less ▲]Detailed reference viewed: 144 (1 UL) The Axiomatic Approach to Risk Measures for Capital DeterminationFöllmer, Hans ; Weber, S.E-print/Working paper (2015)Detailed reference viewed: 150 (1 UL) Dining Cryptographers are PracticalFranck, Christian ; van de Graaf, JeroenE-print/Working paper (2015)The dining cryptographers protocol provides information-theoretically secure sender and recipient untraceability. However, the protocol is considered to be impractical because a malicious participant may ... [more ▼]The dining cryptographers protocol provides information-theoretically secure sender and recipient untraceability. However, the protocol is considered to be impractical because a malicious participant may disrupt the communication. We propose an implementation which provides information-theoretical security for senders and recipients, and in which a disruptor with limited computational capabilities can easily be detected. [less ▲]Detailed reference viewed: 94 (7 UL) Local universality of the number of zeros of random trigonometric polynomials with continuous coefficientsAzais, Jean-Marc; Dalmao, Federico; Leon, Jose et alE-print/Working paper (2015)Detailed reference viewed: 68 (0 UL) Dash for Cash: Month-End Liquidity Needs and the Predictability of Stock ReturnsRinne, Kalle ; Suominen, Matti; Vaittinen, LauriE-print/Working paper (2015)This paper uncovers strong return reversals in the US value weighted stock market index around the last monthly settlement day, T-3, which guarantees liquidity for month-end cash distributions. Similar ... [more ▼]This paper uncovers strong return reversals in the US value weighted stock market index around the last monthly settlement day, T-3, which guarantees liquidity for month-end cash distributions. Similar reversals in market returns around T-3 are documented internationally. The return reversals are stronger in countries where the mutual fund ownership is large, and in the US they have become stronger over time as the mutual fund ownership of stocks has increased. Using data that contains all trades of a subset of institutional investors, we show direct evidence that institutional trading contributes to the market reversals. Finally, we find that in the cross-section of stocks, return reversals around the turn of the month are stronger for stocks more commonly held by mutual funds and for liquid stocks. These market reversals help explain the previously documented abnormally high market returns around the turn of the month. [less ▲]Detailed reference viewed: 159 (1 UL) Credit risk characteristics of US small business portfoliosWolff, Christian E-print/Working paper (2015)Detailed reference viewed: 102 (1 UL) Institutional dynamics under revenue volatility and revenue-dependent lobbying power: A stochastic differential game approachBoucekkine, Raouf; Prieur, Fabien; Zou, Benteng E-print/Working paper (2015)We propose an analysis of institutional dynamics under uncertainty by the means of a stochastic differential lobbying game with two main ingredients. The rst one is uncertainty inherent in the ... [more ▼]We propose an analysis of institutional dynamics under uncertainty by the means of a stochastic differential lobbying game with two main ingredients. The rst one is uncertainty inherent in the institutional process itself. The second one has to do with the crucial role of resource windfalls in economic and political outcomes, shaping lobbying power and adding a second source of uncertainty. First, we focus on uncertainty surrounding the institutional process only and show that its main consequence is the existence of multiple equilibria with very distinct features: symmetric equilibria which lead the economy to reach almost surely a stable pointwise institutional steady state in the long run even in the absence of the retaliation motive put forward by the deterministic lobbying literature, and asymmetric equilibria which only show up under uncertainty and do no allow for stochastic convergence to a steady state. Second, when accounting for the two sources of uncertainty together with resource revenue-dependent lobbying power, we show that revenue volatility tends to stabilize institutional dynamics compared to the deterministic counterpart. [less ▲]Detailed reference viewed: 82 (8 UL) Développements et structures de la coopération trans-frontalière dans la Grande Région SaarLorLuxWille, Christian ; Caruso, Geoffrey ; Helfer, Malte et alE-print/Working paper (2015)In diesem Artikel werden die internationalen, interregionalen und grenznahen Strukturen der Zusammenarbeit in der Großregion SaarLorLux vorgestellt, die in den letzten Jahrzehnten entstanden sind. Die ... [more ▼]In diesem Artikel werden die internationalen, interregionalen und grenznahen Strukturen der Zusammenarbeit in der Großregion SaarLorLux vorgestellt, die in den letzten Jahrzehnten entstanden sind. Die Untersuchung beginnt mit den späten 1960er Jahren, konzentriert sich dann auf die 1990er Jahre, in denen sich die grenzüberschreitende Zusammenarbeit innerhalb der EU stark entwickelte, und endet in den 2000er Jahren, in denen eine deutliche Konsolidierung der grenzüberschreitenden Zusammenarbeit zu verzeichnen ist. Alle Entwicklungen unterliegen den entsprechenden Rahmenbedingungen, die u.a. von Brüssel vorgegeben werden, und sind je nach Akteur unterschiedlich ausgeprägt. [less ▲]Detailed reference viewed: 36 (0 UL) The CJEU and the Spasic case: recasting mutual trust in the Area of Freedom, Security and Justice?Marletta, Angelo E-print/Working paper (2015)Detailed reference viewed: 284 (17 UL) Regulator Imposes Warning on RTL for Breach of Rules on Protection of Minors over Syrian War CoverageCole, Mark ; Metzdorf, JennyE-print/Working paper (2015)Detailed reference viewed: 66 (3 UL) Hedonic adaptation to a treatment. Evidence from a medical interventionBarazzetta, Marta ; Appleton, Simon; Owens, TrudyE-print/Working paper (2015)We investigate adaptation of subjective well-being using a randomized controlled trial. We find that providing medical equipment to a random sample of Ugandan adults with lower limb disabilities has a ... [more ▼]We investigate adaptation of subjective well-being using a randomized controlled trial. We find that providing medical equipment to a random sample of Ugandan adults with lower limb disabilities has a positive effect on their physical health, using both objective and self-reported measures. Treated patients experience a significant improvement in life satisfaction initially, but the effect is not prolonged. After one year, life satisfaction returns to the pre-treatment level, supporting the hypothesis of adaptation. This evidence of adaptation is supported by observations of changes in aspirations and expectations and is robust to alternative estimation methods including instrumental variable estimation and ITT analysis. [less ▲]Detailed reference viewed: 114 (3 UL) Currency Areas and Voluntary TransfersPicard, Pierre M ; Worrall, TimE-print/Working paper (2015)This paper discusses the relationship between the formation of a currency area and the use of voluntary fiscal transfers between countries. We show that there is a trade off between the benefits of ... [more ▼]This paper discusses the relationship between the formation of a currency area and the use of voluntary fiscal transfers between countries. We show that there is a trade off between the benefits of flexible exchange rates and the additional risk sharing benefits of voluntary transfers that can be sustained in a currency area. We show that whether a currency area is beneficial or not will depend on the magnitude of economic parameter values. In particular, we show that in a simple two country model and for a plausible set of economic parameter values, a currency area is optimal. [less ▲]Detailed reference viewed: 66 (5 UL) Draft Grand-Ducal Regulation on Protection of Minors in Audiovisual Media ServicesCole, Mark ; Metzdorf, JennyE-print/Working paper (2015)Detailed reference viewed: 76 (5 UL) Endogenous Capital- and Labor-Augmenting Technical Change in the Neoclassical Growth ModelIrmen, Andreas ; Tabakovic, Amer E-print/Working paper (2015)The determinants of the direction of technical change and their implications for economic growth and economic policy are studied in the one-sector neoclassical growth model of Ramsey, Cass, and Koopmans ... [more ▼]The determinants of the direction of technical change and their implications for economic growth and economic policy are studied in the one-sector neoclassical growth model of Ramsey, Cass, and Koopmans extended to allow for endogenous capital- and labor-augmenting technical change. We develop a novel micro-foundation for the competitive production sector that rests on the idea that the fabrication of output requires tasks to be performed by capital and labor. Firms may engage in innovation investments that increase the productivity of capital and labor in the performance of their respective tasks. These investments are associated with new technological knowledge that accumulates over time and sustains long-run growth. We show that the equilibrium allocation is not Pareto-efficient since both forms of technical change give rise to an inter-temporal knowledge externality. An appropriate policy of investment subsidies may implement the efficient allocation. [less ▲]Detailed reference viewed: 162 (24 UL) New Grand-Ducal Regulation on fees for audio and audiovisual media service providersCole, Mark ; Metzdorf, JennyE-print/Working paper (2015)Detailed reference viewed: 72 (7 UL) Bubbles and Trading Frenzies: Evidence from the Art MarketPenasse, Julien ; Renneboog, LucE-print/Working paper (2015)Detailed reference viewed: 42 (0 UL) Volatility Concepts and Risk Management ToolsLehnert, Thorsten ; Blanchard,, Gildas; Dennis, Bams,E-print/Working paper (2015)Detailed reference viewed: 75 (8 UL) From Time Varying Risk-Aversion and Sentiment to Anomalies in MarketLehnert, Thorsten ; Honarvar, Iman; Bams, DennisE-print/Working paper (2015)Detailed reference viewed: 70 (0 UL) Is Venture Capital really a Local Business? Evidence from U.S. Cross-Border InvestmentKräussl, Roman ; Wuebker,, Robert; Schulze, WilliamE-print/Working paper (2015)Detailed reference viewed: 136 (0 UL) Quantized Matrix Algebras and Quantum seedsPagani, Chiara ; Jakobsen, Hans PlesnerE-print/Working paper (2015)We determine explicit quantum seeds for classes of quantized matrix algebras. Furthermore, we obtain results on centers and block diagonal for ms of these algebras. In the case where q is an arbitrary ... [more ▼]We determine explicit quantum seeds for classes of quantized matrix algebras. Furthermore, we obtain results on centers and block diagonal for ms of these algebras. In the case where q is an arbitrary root of unity, this further determines the degrees. [less ▲]Detailed reference viewed: 89 (1 UL) Toward a pecking order theory of strategic resource deploymentKräussl, Roman ; Schulze, William; Deeds, David et alE-print/Working paper (2015)Detailed reference viewed: 106 (0 UL) New Grand-Ducal Regulation on Protection of Minors in Audiovisual Media ServicesCole, Mark ; Metzdorf, JennyE-print/Working paper (2015)Detailed reference viewed: 74 (5 UL) Bewegungssoziologische Analyse der Begrifflichkeiten der deutschen Trans*-BewegungDe Silva, Adrian E-print/Working paper (2015)Detailed reference viewed: 117 (12 UL) Are Private Equity Backed Initial Public Offerings Any Different? Timing, Information Asymmetry and Post-IPO SurvivalMichala, Dimitra E-print/Working paper (2015)Detailed reference viewed: 208 (5 UL) On symbolic computations with Chern classes: remarks on the library chern.lib for SingularIena, Oleksandr E-print/Working paper (2015)We provide an informal overview of the algorithms used for computing with Chern classes in the library chern.lib for the computer algebra system Singular.Detailed reference viewed: 154 (19 UL) Approximate Normality of High-Energy Hyperspherical EigenfunctionsCampese, Simon ; Marinucci, Domenico; Rossi, Maurizia E-print/Working paper (2015)Detailed reference viewed: 125 (8 UL) Les petites villes en Lotharingie. Un bilan subjectif de 25 ans de recherchesPauly, Michel E-print/Working paper (2015)Detailed reference viewed: 62 (1 UL) Does the CAMEL bank rating system follow a pro-cyclical pattern?Wolff, Christian E-print/Working paper (2015)Detailed reference viewed: 80 (3 UL) Function spaces and classifying spaces of algebras over a propYalin, Sinan E-print/Working paper (2015)The goal of this paper is to prove that the classifying spaces of categories of algebras governed by a prop can be determined by using function spaces on the category of props. We first consider a ... [more ▼]The goal of this paper is to prove that the classifying spaces of categories of algebras governed by a prop can be determined by using function spaces on the category of props. We first consider a function space of props to define the moduli space of algebra structures over this prop on an object of the base category. Then we mainly prove that this moduli space is the homotopy fiber of a forgetful map of classifying spaces, generalizing to the prop setting a theorem of Rezk. The crux of our proof lies in the construction of certain universal diagrams in categories of algebras over a prop. We introduce a general method to carry out such constructions in a functorial way. [less ▲]Detailed reference viewed: 98 (0 UL) On the strategic effect of international permits trading on local pollutionAntoniou, Fabio; Kyriakopoulou, Efthymia E-print/Working paper (2015)We introduce a model of strategic environmental policy where two firms compete à la Cournot in a third market in the presence of multiple pollutants. Two types of pollutants are introduced: a local and a ... [more ▼]We introduce a model of strategic environmental policy where two firms compete à la Cournot in a third market in the presence of multiple pollutants. Two types of pollutants are introduced: a local and a transboundary one. The regulator can only control local pollution as transboundary pollution is regulated internationally. The strategic effect present in the original literature is also replicated in this setup. However, we illustrate that when transboundary pollution is regulated through the use of tradable emission permits instead of non-tradable ones then a new strategic effect appears which had not been identified thus far. In this case, local pollution increases further and welfare is lowered. We also provide evidence from the implementation of EU ETS over the pollution of particulate matters (PM10 and PM2.5). [less ▲]Detailed reference viewed: 62 (2 UL) L'industrie automobile dans la Grande Région SaarLorLux en 2011 - évolutions actuelles, défis et solutions possiblesHahn, Christoph; Helfer, Malte ; Pauly, Michel et alE-print/Working paper (2015)With almost 150,000 employees and more than 600 companies, the automotive industry is one of the most important sectors in the Greater Region. However, in the more recent past, globalisation ... [more ▼]With almost 150,000 employees and more than 600 companies, the automotive industry is one of the most important sectors in the Greater Region. However, in the more recent past, globalisation, technological development and, above all, the global economic and financial crisis have had a strong influence on the sector and have posed challenges. This text attempts to review these developments and discuss possible strategies and measures to meet the challenges. [less ▲]Detailed reference viewed: 23 (1 UL) Les sols de la Grande Région SaarLorLuxKubiniok, Jochen; Neumann, Barbara; Helfer, Malte et alE-print/Working paper (2015)The map "Soils of the Greater Region", extracted from the European Soil Database, presents the characteristic soil types of the Greater Region in a homogeneous classification.Detailed reference viewed: 27 (0 UL) Regards sur la violenceHeinz, Andreas ; Steffgen, Georges ; Bodson, Lucile et alE-print/Working paper (2014)Dans le cadre de l’enquête sur la sécurité 2013, 3 025 résidants ont été interrogés sur divers délits violents éventuellement subis. Il en ressort que 17% des personnes interviewées ont été harcelées au ... [more ▼]Dans le cadre de l’enquête sur la sécurité 2013, 3 025 résidants ont été interrogés sur divers délits violents éventuellement subis. Il en ressort que 17% des personnes interviewées ont été harcelées au cours des 5 années précédant l’enquête (harcèlement moral / menaces / brimades), 4% ont été victimes de vols avec violence, 9% ont subi des violences physiques et 4% ont été victimes de violence sexuelle. Globalement, les jeunes résidants étaient plus exposés que les moins jeunes. Les hommes ont été deux fois plus souvent victimes de vols avec violence que les femmes alors que ces dernières ont beaucoup plus fréquemment vécu des agressions sexuelles. Les victimes de violence sexuelle ont également subi plus fréquemment de la violence physique. La classe d’âges des 25 – 34 ans se dit la moins inquiète par des atteintes physiques, même si elle est la plus concernée. Les hommes les appréhendent également moins que les femmes alors qu’ils en sont presque aussi souvent victimes. Parmi les personnes ayant subi de la violence physique entre 2008 et 2012, 38% en ont été victimes à plusieurs reprises. La plupart des agressions ont eu lieu au Grand-Duché (86%) et l’agresseur a le plus souvent agi seul (70%). 33% des victimes connaissaient leurs agresseurs de nom et dans 26% de ces cas il s’agissait de l’ex-conjoint. [less ▲]Detailed reference viewed: 134 (14 UL) Trajectories and repertoires as conceptual tools for a sociolinguistics of globalizationJuffermans, Kasper ; Tavares, Bernardino E-print/Working paper (2014)This is the third in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and ... [more ▼]This is the third in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and is a three-year CORE research project funded by FNR, Luxembourg. This multi-sited project contributes to the field of sociolinguistics of globalization by investigating language and migration between the global South (Cape Verde and Guinea Bissau) and North (Luxembourg) from the perspective of both accomplished and aspiring migrants. In this third research brief we outline the key conceptual concepts guiding the project, sociolinguistic trajectories and repertoires. [less ▲]Detailed reference viewed: 257 (34 UL) Field notes and Facebook: An open fieldwork diary in Guinea BissauJuffermans, Kasper E-print/Working paper (2014)This is the fourth in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and ... [more ▼]This is the fourth in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and is a three-year CORE research project funded by FNR, Luxembourg. This multi-sited project seeks to contribute to the field of sociolinguistics of globalization by investigating language and migration between the global South (Cape Verde and Guinea Bissau) and North (Luxembourg) from the perspective of both accomplished and aspiring migrants. This fourth research brief reports on the exploratory fieldwork in Guinea Bissau by Kasper Juffermans from late August to early October 2014. It does so on the basis of Facebook posts sent from the field and reflects on the uses of Facebook as a means to make the fieldwork experience more transparent. [less ▲]Detailed reference viewed: 192 (6 UL) Global flows, local conflicts and the challenge of urban governance: Managing the city-­airport interface in London, UKMcDonough, Evan E-print/Working paper (2014)Detailed reference viewed: 126 (12 UL) Income taxation and equity: new dominance criteria and an application to RomaniaBrunori, Paolo; Palmisano, Flaviana ; Peragine, VitoE-print/Working paper (2014)Detailed reference viewed: 104 (2 UL) Mutual trust and transnational ne bis in idem: a further step made by the CJEU (C-398/12, M., 5 June 2014)Simonato, Michele E-print/Working paper (2014)Detailed reference viewed: 90 (18 UL) Essential Inputs and Unbounded Output: an Alternative Characterization of the Neoclassical Production FunctionIrmen, Andreas ; Maußner, AlfredE-print/Working paper (2014)The Inada (1963) conditions constitute a defining property of the neoclassical production function with capital and labor as arguments. Are these conditions justifiable on economic grounds? Yes, they are ... [more ▼]The Inada (1963) conditions constitute a defining property of the neoclassical production function with capital and labor as arguments. Are these conditions justifiable on economic grounds? Yes, they are: we show that a production function with positive, yet diminishing marginal products and constant returns to scale satisfies the Inada conditions if i) both inputs are essential and ii) an unbounded quantity of either input leads to unbounded output. This allows for an alternative characterization of the neoclassical production function that altogether dispenses with the Inada conditions. Moreover, we establish that the marginal product of capital vanishes as capital goes to infinity if labor is an essential input. Given the intuitive appeal of the latter feature, we conclude that the neoclassical growth model is a theory of eventual stagnation. [less ▲]Detailed reference viewed: 98 (8 UL) Language and migration into LuxembourgTavares, Bernardino ; Jurdana, Martin; Juffermans, Kasper E-print/Working paper (2014)This is the second in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and ... [more ▼]This is the second in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and is a three-year CORE research project funded by FNR, Luxembourg. This multi-sited project contributes to the field of sociolinguistics of globalization by investigating language and migration between the global South (Cape Verde and Guinea Bissau) and the global North (Luxembourg) from the perspective of both accomplished and aspiring migrants. In this second research brief we outline sociolinguistic aspects of migration into Luxembourg, with a focus on its Lusophone population. [less ▲]Detailed reference viewed: 240 (31 UL) Regards sur la présence de drogueBodson, Lucile; Reichmann, Liliane; Heinz, Andreas et alE-print/Working paper (2014)Au cours des 12 derniers mois, 35% des résidents âgés de 16 ans et plus ont vu dans leur quartier des consommateurs de drogue, des dealers et/ou ils ont vu trainer des objets en lien avec la consommation ... [more ▼]Au cours des 12 derniers mois, 35% des résidents âgés de 16 ans et plus ont vu dans leur quartier des consommateurs de drogue, des dealers et/ou ils ont vu trainer des objets en lien avec la consommation de drogue. Ce sont surtout des jeunes qui ont fait ce genre de constat. La présence de drogue est plus importante dans les pôles urbains que dans les communes rurales. Les consommateurs de drogue et les dealers, lorsqu’ils sont « souvent » présents dans le quartier, ont un effet anxiogène sur la population : certaines personnes sortent moins souvent la nuit et évitent de passer à des endroits ou d’emprunter des rues. Certaines personnes se sentent également plus exposées au risque de vol à la tire, de vol avec violence et de cambriolage. Par contre, lorsque ces rencontres avec des consommateurs ou des revendeurs de drogue sont plus exceptionnelles, celles-ci ne semblent pas jouer, ou très peu, sur le sentiment d’insécurité de la population. Les résultats présentés dans ce document sont tirés de l’enquête sur la sécurité de 2013. [less ▲]Detailed reference viewed: 134 (15 UL) Lie superalgebras of Krichever-Novikov typeSchlichenmaier, Martin E-print/Working paper (2014)Classically, starting from the Witt and Virasoro algebra important examples of Lie superalgebras were constructed. In this write-up of a talk presented at the Bia\l owie\.za meetings we report on results ... [more ▼]Classically, starting from the Witt and Virasoro algebra important examples of Lie superalgebras were constructed. In this write-up of a talk presented at the Bia\l owie\.za meetings we report on results on Lie superalgebras of Krichever-Novikov type. These algebras are multi-point and higher genus equivalents of the classical algebras. The grading in the classical case is replaced by an almost-grading. It is induced by a splitting of the set of points, were poles are allowed, into two disjoint subsets. With respect to a fixed splitting, or equivalently with respect to a fixed almost-grading, it is shown that there is up to rescaling and equivalence a unique non-trivial central extension of the Lie superalgebra of Krichever--Novikov type. It is given explicitly. [less ▲]Detailed reference viewed: 107 (2 UL) Minimal diffeomorphism between hyperbolic surfaces with cone singularitiesToulisse, Jérémy E-print/Working paper (2014)We prove the existence of a minimal diffeomorphism isotopic to the identity between two hyperbolic cone surfaces (Σ,g1) and (Σ,g2) when the cone angles of g1 and g2 are different and smaller than π. When ... [more ▼]We prove the existence of a minimal diffeomorphism isotopic to the identity between two hyperbolic cone surfaces (Σ,g1) and (Σ,g2) when the cone angles of g1 and g2 are different and smaller than π. When the cone angles of g1 are strictly smaller than the ones of g2, this minimal diffeomorphism is unique. [less ▲]Detailed reference viewed: 110 (2 UL) Is Abatement Effective in the Presence of Corruption? A Theoretical ExplorationLitina, Anastasia ; Sartzetakis, Eftichis; Lapatina, AthanasiosE-print/Working paper (2014)The paper introduces an additional channel via which corruption may adversely affect environmental quality. It is argued that, in the presence of corruption, politicians may allocate a large fraction of ... [more ▼]The paper introduces an additional channel via which corruption may adversely affect environmental quality. It is argued that, in the presence of corruption, politicians may allocate a large fraction of public funds to environmental projects aiming not at improving environmental quality, but rather at increasing their ability to extract rents. This type of behavior has a direct and an indirect effect on environmental quality. First, due to extensive rent-seeking, the effectiveness of environmental projects is disproportional to the amount of public funds allocated to them. Second, citizens who observe the poor outcome of environmental projects, increase tax evasion thus reducing public funds. A vicious circle of extensive tax evasion and rent seeking activities emerges, that has a detrimental effect on environmental quality. Anecdotal evidence from a number of countries that experience high levels of corruption, shows little or no improvements in environmental quality despite the implementation of environmental projects. In line with our theoretical findings, this ineffectiveness of the environmental policy is present even when the technology involved is advanced. [less ▲]Detailed reference viewed: 52 (5 UL) Emergence of Sovereign Wealth FundsCarpantier, Jean-Francois ; Vermeulen, Wessel E-print/Working paper (2014)This paper tests the theoretically founded hypothesis that the surge of SWF establishments is determined by three main factors: 1) the existence of natural resources profits, 2) the government structure ... [more ▼]This paper tests the theoretically founded hypothesis that the surge of SWF establishments is determined by three main factors: 1) the existence of natural resources profits, 2) the government structure and 3) the ability to invest usefully in the domestic economy. We test this hypothesis on a sample of 20 countries that established an SWF in the period 1998-2008 by comparing them to the roughly 100 countries that did not set up a fund in the same period. We find evidence for all three factors. The results suggest that SWFs tend to be established in countries that run an autocratic regime and have difficulties finding suitable opportunities for domestic investments. We do not find the net foreign asset position of a country to be similarly related to the explanatory variables, indicating that the establishment of an SWF is distinct from a national accounting result. We argue that our results indicate that it is relevant to study how an SWF interacts with the domestic economy and government policy. [less ▲]Detailed reference viewed: 235 (6 UL) Non-optimal levels of a reducible mod l modular representationYoo, Hwajong E-print/Working paper (2014)Let $ell>3$ be a prime and $N$ is a square-free integer prime to $\ell$. For each prime divisor $p$ of $N$, let $a_p$ is either 1 or -1. We give a sufficient criterion for the existence of a newform $f ... [more ▼]Let$ell>3$be a prime and$N$is a square-free integer prime to$\ell$. For each prime divisor$p$of$N$, let$a_p$is either 1 or -1. We give a sufficient criterion for the existence of a newform$f$of weight 2 for$\Gamma_0(N)$such that the mod$\ell$Galois representation attached to$f$is reducible and$U_p f= a_p f$for prime divisors$p$of$N$. The main techniques used are level raising methods based on an exact sequence due to Ribet. [less ▲]Detailed reference viewed: 95 (0 UL) Regards sur les répercussions émotionnelles ressenties par les victimes de délitsHeinz, Andreas ; Steffgen, Georges ; Bodson, Lucile et alE-print/Working paper (2014)Dans le cadre de l’enquête sur la sécurité, les personnes interrogées devaient indiquer si elles ont été victimes de délits (14 types de délits) lors des cinq dernières années et le cas échéant, signaler ... [more ▼]Dans le cadre de l’enquête sur la sécurité, les personnes interrogées devaient indiquer si elles ont été victimes de délits (14 types de délits) lors des cinq dernières années et le cas échéant, signaler si le délit en question a eu sur eux des « répercussions émotionnelles plutôt fortes », des « répercussions émotionnelles plutôt légères » ou « aucune répercussion ». Les répercussions émotionnelles plutôt fortes ont le plus souvent été constatées chez les victimes d’actes de violence, et le moins souvent chez les victimes de demandes de pots-de-vin. Certes moins touchées par des délits que les plus jeunes, les personnes âgées affirment néanmoins plus souvent subir des répercussions émotionnelles plutôt fortes suite à ces délits. De même, les femmes sont un peu moins fréquemment victimes de délits mais, le cas échéant, font plus souvent état de répercussions émotionnelles plutôt fortes. Par ailleurs, les victimes d’actes criminels ayant abouti à des répercussions émotionnelles plutôt fortes se distinguent des non-victimes ainsi que des victimes qui n’ont mentionné aucune ou peu de répercussions émotionnelles, sous les aspects suivants : par rapport aux autres groupes susmentionnés, une attaque à main armée est pour eux plus probable, ils craignent davantage une agression et se sentent moins en sécurité dans leur quartier. En outre, ils apprécient moins le travail de la police et des tribunaux et se prononcent plutôt en faveur de peines de prison sans sursis. [less ▲]Detailed reference viewed: 136 (12 UL) Krichever-Novikov type algebras. An IntroductionSchlichenmaier, Martin E-print/Working paper (2014)Krichever--Novikov type algebras are generalizations of the Witt, Virasoro, affine Lie algebras, and their relatives to Riemann surfaces of arbitrary genus. We give the most important results about their ... [more ▼]Krichever--Novikov type algebras are generalizations of the Witt, Virasoro, affine Lie algebras, and their relatives to Riemann surfaces of arbitrary genus. We give the most important results about their structure, almost-grading and central extensions. This contribution is based on a sequence of introductory lectures delivered by the author at the Southeast Lie Theory Workshop 2012 in Charleston, U.S.A. [less ▲]Detailed reference viewed: 72 (3 UL) The effects of a multi-pillar pension reform: The case of PeruOlivera Angulo, Javier E-print/Working paper (2014)In this paper we study the consequences of a hypothetical multi-pillar pension system in Peru. We use unique administrative records of workers to estimate distributions of future pensions for the actual ... [more ▼]In this paper we study the consequences of a hypothetical multi-pillar pension system in Peru. We use unique administrative records of workers to estimate distributions of future pensions for the actual and multi-pillar system and assess the effects on pension inequality, pension liability and overall welfare for the insured population. Our results show that the large pension inequality and liability of the actual pension system can be substantially reduced with welfare preserving policies. As we consider different types of social welfare functions, our simulations illustrate, that when one considers welfare, it is important to define the implied value judgments, which are not universally agreed upon. Thus, the goal of this study is not to advice for a particular scenario of reform, but highlight the trade-offs that have to be made explicit in order to take the best possible option, which can be useful for policy-makers who intend to carry out a next generation of pension reforms in Latin America in the near future. [less ▲]Detailed reference viewed: 91 (3 UL) How Do Migrants Save? Evidence from the British Household Panel Survey on Temporary and Permanent Migrants versus NativesJoxhe, Majlinda ; De Arcangelis, GiuseppeE-print/Working paper (2014)Detailed reference viewed: 119 (2 UL) The C*-algebras of connected real two-step nilpotent Lie groupsGünther, Janne-Kathrin ; Ludwig, JeanE-print/Working paper (2014)Using the operator valued Fourier transform, the C*-algebras of connected real two-step nilpotent Lie groups are characterized as algebras of operator fields defined over their spectra. In particular, it ... [more ▼]Using the operator valued Fourier transform, the C*-algebras of connected real two-step nilpotent Lie groups are characterized as algebras of operator fields defined over their spectra. In particular, it is shown by explicit computations, that the Fourier transform of such C*-algebras fulfills the norm controlled dual limit property. [less ▲]Detailed reference viewed: 74 (8 UL) Regards sur les cambriolagesBodson, Lucile; Reichmann, Liliane; Heinz, Andreas et alE-print/Working paper (2014)Au cours des 5 dernières années, 10% des ménages ont fait l’objet d’un cambriolage. À ceux-là s’ajoute un autre 5% qui n’a pas fait l’objet d’un cambriolage mais d’une tentative infructueuse de ... [more ▼]Au cours des 5 dernières années, 10% des ménages ont fait l’objet d’un cambriolage. À ceux-là s’ajoute un autre 5% qui n’a pas fait l’objet d’un cambriolage mais d’une tentative infructueuse de cambriolage. La peur d’être cambriolé est présente : 34% de la population résidente pense pouvoir faire l’objet d’un cambriolage au cours des 12 prochains mois. Qui sont ces personnes ? Où vivent-elles ? Voici deux questions auxquelles nous donnerons des éléments de réponse grâce à l’enquête sur la sécurité de 2013. Le travail d’intérêt général est, aux yeux de la population, la peine la mieux adaptée pour un cambrioleur récidiviste. La peine de prison ferme est deux fois moins plébiscitée. Mais les avis divergent un peu, entre autres, selon la génération et la nationalité. [less ▲]Detailed reference viewed: 136 (7 UL) Study of formality for the Heisenberg algebraElchinger, Olivier E-print/Working paper (2014)In this paper, we compute the Chevalley-Eilenberg cohomology of the three-dimensional Heisenberg Lie algebra with values in its universal enveloping algebra. We also compute the Schouten brackets on ... [more ▼]In this paper, we compute the Chevalley-Eilenberg cohomology of the three-dimensional Heisenberg Lie algebra with values in its universal enveloping algebra. We also compute the Schouten brackets on cochains and cohomology level in order to write the formality equations. It turns out that there is no formality, and that the perturbed L∞ structure on the cohomology has non-trivial terms in infinitely many degrees. [less ▲]Detailed reference viewed: 73 (11 UL) O cérebro multilingueEngel de Abreu, Pascale E-print/Working paper (2014)Detailed reference viewed: 166 (6 UL) Improved Modular Multiplication for Optimal Prime FieldsSeo, Hwajeong; Liu, Zhe ; Nogami, Yasuyuki et alE-print/Working paper (2014)Detailed reference viewed: 138 (2 UL) Sustainability Research and Interactive Knowledge GenerationJUNG ép. PRELLER, Bérénice ; Affolderbach, Julia ; Schulz, Christian et alE-print/Working paper (2014)Based on experiences from the GreenRegio research project that investigates framework conditions for innovations in sustainable/green building, this working paper explores the potential of interactive and ... [more ▼]Based on experiences from the GreenRegio research project that investigates framework conditions for innovations in sustainable/green building, this working paper explores the potential of interactive and collaborative methods for knowledge generation and co-production. Engagement with local practi-tioners, private industry, academics, political decision-makers and representatives of the non-profit sector early on in the research process allows researchers to gain better understanding of the re-search object and context. It also creates a platform for (mutual) knowledge exchange. Methodologi-cally, the project incorporates interactive workshops and Delphi-based feedback and validation rounds, that – over the lifespan of the project – offer a mutual learning process further inspired by in-sights and experiences across four case studies in Europe, Australia, and Canada. The exchange and learning processes provide important insights on different forms and pathways of sustainability transi-tions in the building sector to all participants involved in the project, researchers and researched alike. [less ▲]Detailed reference viewed: 248 (7 UL) Regards sur la protection des logements privés et la vidéo-surveillance publiqueHeinz, Andreas ; Steffgen, Georges ; Reichmann, Liliane et alE-print/Working paper (2014)70% des résidents pensent que la vidéo-surveillance des lieux publics au Luxembourg augmente leur sécurité personnelle, 23% pensent qu’elle n’a pas d’impact et 3% sont même d’avis que la vidéosurveillance ... [more ▼]70% des résidents pensent que la vidéo-surveillance des lieux publics au Luxembourg augmente leur sécurité personnelle, 23% pensent qu’elle n’a pas d’impact et 3% sont même d’avis que la vidéosurveillance diminue leur propre sécurité. Les personnes qui craignent d’être agressées physiquement ou qui sont inquiètes d‘être victimes d'une attaque terroriste, celles qui trouvent probable d’être victime d’un cambriolage ou d’un vol avec violence, celles qui ne se sentent pas en sécurité dans leur quartier de résidence et celles qui sont d’avis que la criminalité au Luxembourg a progressé au cours des dernières années, s’attendent plutôt à une augmentation de leur sécurité par les systèmes de surveillance sur certains lieux publics. Par contre les résidents qui effectivement ont été victimes d’un délit ou ceux qui sont confrontés à des problèmes de drogues dans leur quartier résidentiel, ont des doutes quant à l’efficacité de la vidéo-surveillance. Les jeunes sont les plus sceptiques. Par ailleurs, 27% des logements sont équipés d’un système d'alarme et 57% ont des portes de sécurité. On retrouve plus souvent ces deux mesures de sécurité dans les maisons unifamiliales que dans les maisons en rangée ou dans les appartements. En outre, la présence de systèmes d'alarme et de portes de sécurité est fortement liée au revenu du ménage. Quant à la possession d'armes à feu en tant que mesure de sécurité elle joue un rôle mineur : seulement 6% des répondants ont déclaré posséder des armes à feu et parmi eux un-tiers évoquent la prévention et la protection contre les crimes pour justifier la présence d’armes à feu chez eux. [less ▲]Detailed reference viewed: 176 (9 UL) The free Courant algebroidJubin, Benoît Michel ; Poncin, Norbert ; Uchino, KyousukeE-print/Working paper (2014)Detailed reference viewed: 119 (29 UL) Migration from West Africa, with special reference to Cape Verde and Guinea BissauTavares, Bernardino ; Juffermans, Kasper E-print/Working paper (2014)This is the first in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and ... [more ▼]This is the first in a series of research briefs in the STAR project. STAR stands for “Sociolinguistic trajectories and repertoires: Luso-Luxo-African identifications, interactions and imaginations”, and is a 3-year CORE research project funded by FNR, Luxembourg. The multi-sited project, meant as contribution to the field of sociolinguistics of globalization, investigates language and migration between the global South (Cape Verde and Guinea Bissau) and North (Luxembourg) from the perspective of both accomplished and desired migrants. In this first research brief we review literature on flows of migration from West Africa. [less ▲]Detailed reference viewed: 129 (14 UL) The Codimension-Three conjecture for holonomic DQ-modulesPetit, François E-print/Working paper (2014)We prove an analogue for holonomic DQ-modules of the codimension-three conjecture for microdifferential modules recently proved by Kashiwara and Vilonen. Our result states that any holonomic DQ-module ... [more ▼]We prove an analogue for holonomic DQ-modules of the codimension-three conjecture for microdifferential modules recently proved by Kashiwara and Vilonen. Our result states that any holonomic DQ-module having a lattice extends uniquely beyond an analytic subset of codimension equal to or larger than three in a Lagrangian subvariety containing the support of the DQ-module. [less ▲]Detailed reference viewed: 156 (1 UL) Corruption, Tax Evasion and Social ValuesLitina, Anastasia ; Palivos, TheodoreE-print/Working paper (2014)We provide empirical support and a theoretical explanation for the vicious circle of political corruption and tax evasion in which countries often fall into. We address this issue in the context of a ... [more ▼]We provide empirical support and a theoretical explanation for the vicious circle of political corruption and tax evasion in which countries often fall into. We address this issue in the context of a model with two distinct groups of agents: citizens and politicians. Citizens decide the fraction of their income for which they evade taxes. Politicians decide the fraction of the public budget that they peculate. We show that multiple self-fulfilling equilibria with different levels of corruption can emerge based on the existence of strategic complementarities, indicating that corruption may corrupt. Furthermore, we find that standard deterrence policies cannot eliminate multiplicity. Instead, policies that impose a strong moral cost on tax evaders and corrupt politicians can lead to a unique equilibrium. [less ▲]Detailed reference viewed: 147 (5 UL) Urban Spatial Structure, Employment and Social TiesPicard, Pierre M ; Zenou, YvesE-print/Working paper (2014)We develop a model where workers both choose their residential location (geographical space) and social interactions (social space). In equilibrium, we show under which condition the majority group ... [more ▼]We develop a model where workers both choose their residential location (geographical space) and social interactions (social space). In equilibrium, we show under which condition the majority group resides close to the job center while the minority group lives far away from it. Even though the two populations are ex ante totally identical, we find that the majority group experiences a lower unemployment rate than the minority group and tends to socially interact more with other workers of its own group. Within each group, we demonstrate that workers residing farther away from the job center tend to search less for a job and are less likely to be employed. This model is thus able to explain why ethnic minorities are segregated in the urban and social space and why this leads to adverse labor-market outcomes in the absence of any discrimination against the minority group. [less ▲]Detailed reference viewed: 130 (10 UL) Reflections upon the Interaction between Domestic and European Personal Data Protection LegislationPelin Raducu, Ioana E-print/Working paper (2014)This paper assesses whether the European legislative reform on the protection of personal data, in conjunction with national law, responds in a satisfactory manner to the challenges posed by technological ... [more ▼]This paper assesses whether the European legislative reform on the protection of personal data, in conjunction with national law, responds in a satisfactory manner to the challenges posed by technological evolution and widespread use of Internet. In recent years, the question of State regulation of the processing of personal data by private companies has become urgent as allegations of unauthorized access to personal data have been hotly debated in the European press. Thus, the paper shall first analyse, the appropriateness of European and States' legislation to properly regulate the effective protection of personal data, in particular of obligations applicable to companies storing and processing personal data on European soil. Does the proposed European legislation in the context of the EU's international agreements with the US provide sufficient legal safeguards to ensure the effective protection of personal data in the post-Snowden era? Specific subparts are devoted to the European reform of companies' criminal liability in cases of cyber-attack (a) and of specific obligations imposed on providers of cloud computing services (b). In the second part, I comment on the interpretation of the European data-protection legislation, provided by the Court of Justice, regarding the obligations imposed upon 'intermediaries' that process personal data, such as the Internet service providers (a) and Internet search engines (b). The Court of Justice has interpreted the European legislation in a manner that allows courts and national authorities to impose on companies a set of safeguards to protect individuals against the infringement of copyright and privacy rights. [less ▲]Detailed reference viewed: 120 (4 UL) Regards sur l'évaluation du travail de la policeHeinz, Andreas ; Steffgen, Georges ; de Puydt, Cécile et alE-print/Working paper (2014)86% de la population estiment que la Police Grand-Ducale réalise du « bon », voire du « très bon » travail. L’évaluation du travail de la police est ainsi légèrement meilleure que pour les tribunaux. En ... [more ▼]86% de la population estiment que la Police Grand-Ducale réalise du « bon », voire du « très bon » travail. L’évaluation du travail de la police est ainsi légèrement meilleure que pour les tribunaux. En effet, concernant les tribunaux, 75% de la population trouvent qu’ils effectuent du « (très) bon » travail. Une différence existe dans l’appréciation du travail de la police chez les personnes victimes et non-victimes. Parmi les personnes qui n’ont été victimes d’aucun des 14 délits pris en compte par l’enquête au cours des 5 dernières années, 91% sont d’avis que la police fait du « (très) bon » travail. Les victimes, elles, sont 82% à partager cet avis. L’évaluation varie selon la nature et le lieu du délit dont les résidents ont été victimes. 88% des victimes d’un délit ayant eu lieu à l’étranger jugent comme « (très) bon » le travail policier. Ce chiffre descend à 79% pour les victimes de délits qui se sont produits sur le territoire national. Concernant la nature du délit, les victimes de délits sans violence ont une meilleure opinion du travail de la police que les victimes de délits avec violence (82% contre 71%). 89% des victimes qui ont rapporté le délit à la police et qui ont été « très satisfaits » par la manière dont leur affaire personnelle a été traitée pensent que le travail de la Police Grand-Ducale est « (très) bon ». Si par contre les victimes étaient « très insatisfaits » par le traitement de leur dossier, ils sont moins enclins (45%) à évaluer comme « (très) bon » le travail de la police. [less ▲]Detailed reference viewed: 120 (8 UL) A hybrid T-Trefftz polygonal finite element for linear elasticityBhattacharjee, Kalyan; Natarajan, Sundararajan; Bordas, Stéphane E-print/Working paper (2014)In this paper, we construct hybrid T-Trefftz polygonal finite elements. The displacement field within the polygon is repre- sented by the homogeneous solution to the governing differential equation, also ... [more ▼]In this paper, we construct hybrid T-Trefftz polygonal finite elements. The displacement field within the polygon is repre- sented by the homogeneous solution to the governing differential equation, also called as the T-complete set. On the boundary of the polygon, a conforming displacement field is independently defined to enforce continuity of the displacements across the element boundary. An optimal number of T-complete functions are chosen based on the number of nodes of the polygon and degrees of freedom per node. The stiffness matrix is computed by the hybrid formulation with auxiliary displacement frame. Results from the numerical studies presented for a few benchmark problems in the context of linear elasticity shows that the proposed method yield highly accurate results. [less ▲]Detailed reference viewed: 145 (3 UL) Gender Differences in Cognitive Abilities among the Elderly Poor of PeruOlivera Angulo, Javier ; Novella, RafaelE-print/Working paper (2014)This paper analyses gender differences on cognitive abilities for the elderly poor in Peru. We use a unique and recent survey for the elderly individuals living in poverty in Peru (ESBAM) that includes ... [more ▼]This paper analyses gender differences on cognitive abilities for the elderly poor in Peru. We use a unique and recent survey for the elderly individuals living in poverty in Peru (ESBAM) that includes cognitive tests and a comprehensive set of socio-demographics and subjective and objective health measures. We find significant differences in mental intactness in favour of males, and in episodic memory in favour of females. In contrast, there are not gender differences in an overall measure of cognition, but regional differences appear to matter in favour of urban localities. The sizeable associations of education and childhood nutrition quality with cognition confirm the long-term impacts of early life developments on current outcomes. Therefore, policies aimed at improving early childhood development are expected to have a positive impact in later-life. [less ▲]Detailed reference viewed: 144 (7 UL) Successful Ageing and Poverty: The case of PeruOlivera Angulo, Javier ; Tournier, Isabelle E-print/Working paper (2014)This study investigated the determinants of Successful Ageing (SA) in a sample of 4,151 Peruvians aged between 65 and 80 and living in poverty. The data correspond to the ESBAM survey, which is the ... [more ▼]This study investigated the determinants of Successful Ageing (SA) in a sample of 4,151 Peruvians aged between 65 and 80 and living in poverty. The data correspond to the ESBAM survey, which is the baseline to evaluate the non-contributory public pension program Pension 65. A key contribution of this study is to combine the conceptual appealing of Successful Ageing to measure well-being in old-age with the multidimensional poverty counting approach developed in the economic literature. This setting allows for moving beyond the dichotomy of the SA literature (success or usual ageing) and take advantage of the full distribution of success along the set of dimensions of well-being. Nine indicators of SA have been used to assess the dimensions of physical health, functioning, cognition, emotional health, and life satisfaction. The variables associated with a higher number of satisfied indicators were being a male, younger, literate, working, low food insecurity, good nutritional status, normal blood pressure, absence of disabilities, not smoking, empowerment, good self-esteem, absence of mental disability, and less frequent contact with a social network. From a policy perspective, the results of this study report a remarkably stable effect of three variables affecting SA that can be relatively easy to measure, monitor and affect by public intervention. These variables are food security, nutrition quality, and self-esteem. [less ▲]Detailed reference viewed: 307 (58 UL) Towards Dialogue Games for the Down-Admissible and Up-Complete ProceduresCaminada, Martin; Booth, Richard E-print/Working paper (2014)Recently, two operators - the down-admissible and up-complete operators - have been proposed, in the context of aggregating argument labellings, for repairing a given initial labelling so that it becomes ... [more ▼]Recently, two operators - the down-admissible and up-complete operators - have been proposed, in the context of aggregating argument labellings, for repairing a given initial labelling so that it becomes rational, in the sense that it respects the attack relation between the arguments. The purpose of this research note is to give some initial thoughts on defining dialogue games for each of them, as well as for their combination. [less ▲]Detailed reference viewed: 70 (1 UL) Irreducible decomposition for local representations of quantum Teichmüller spaceToulisse, Jérémy E-print/Working paper (2014)We give an irreducible decomposition of the so-called local representations \cite{math/0407086} of the quantum Teichmüller space$\mathcal{T}_q(\Sigma)$where$\Sigma$is a punctured surface of genus$g>0 ... [more ▼]We give an irreducible decomposition of the so-called local representations \cite{math/0407086} of the quantum Teichmüller space $\mathcal{T}_q(\Sigma)$ where $\Sigma$ is a punctured surface of genus $g>0$ and $q$ is a $N$-th root of unity with $N$ odd. [less ▲]Detailed reference viewed: 113 (3 UL) Controlling the controllers: the institutional design of Europe’s new Single Supervisory MechanismGren, Jakub E-print/Working paper (2014)This paper examines the institutional design of the Single Supervisory Mechanism and views the relation between the European Central Bank (ECB) and the National Competent Authorities (NCAs) as a principal ... [more ▼]This paper examines the institutional design of the Single Supervisory Mechanism and views the relation between the European Central Bank (ECB) and the National Competent Authorities (NCAs) as a principal-agent relation in which the NCAs are carrying out supervision of the less significant banks on behalf of the ECB. From a principal-agent perspective, the institutional design is understood as the art of choosing proper ex ante and ex post mechanisms of control by the ECB over the activities of the NCAs. Therefore, the focus of the paper directed on (1) identifying the proper control mechanisms consisting of the ‘ex-ante’ and the ‘ex-post’ controls, as suggested by the principal-agent model, which the ECB’s may use to ensure that its policy preferences are enforced by the NCAs within the SSM and (2) assess whether they may possibly cover all of the NCAs ‘zone of discretion’ relating to supervision of less significant banks on the ECB’s behalf. The working hypothesis is that the NCAs zone of discretion may not be fully controlled by the ECB. It is argued that existence of such ‘black holes’ constitute challenges for the ECB to ensure its policy preferences are enforced in a full extent by the NCAs. [less ▲]Detailed reference viewed: 160 (12 UL) The Welfare State and Anti-Poverty Policy in Rich CountriesOlivera Angulo, Javier ; Marx, Ive; Nolan, BrianE-print/Working paper (2014)This paper is prepared as a chapter for the Handbook of Income Distribution, Volume 2 (edited by A. B. Atkinson and F. Bourguignon, Elsevier-North Holland, forthcoming). Like the other chapters in the ... [more ▼]This paper is prepared as a chapter for the Handbook of Income Distribution, Volume 2 (edited by A. B. Atkinson and F. Bourguignon, Elsevier-North Holland, forthcoming). Like the other chapters in the volume (and its predecessor), the aim is to provide a comprehensive review of a particular area of research. The aim of this chapter is to highlight some key aspects of recent economic research on the welfare state and anti-poverty policy in rich countries, and explore their implications. We begin with the conceptualisation and measurement of poverty, before sketching out some core features and approaches to the welfare state and anti-poverty policies. We then focus on the central plank of the modern welfare state’s efforts to address poverty, namely social protection, discussing in turn the inactive working-age population, child income support, in-work poverty, and retirement and old-age pensions. After that we discuss social spending on other than cash transfers: the labour market, education, training and activation, and finally intergenerational transmission, childhood and neighbourhoods. We also discuss the welfare state and anti-poverty policy in the context of the economic crisis which began in 2007-8, and the implications for strategies aimed at combining economic growth and employment with making serious inroads into poverty. We conclude with highlighting directions for future research. [less ▲]Detailed reference viewed: 147 (9 UL) Is a Policy of Free Movement of Workers Sustainable?Picard, Pierre M ; Worrall, TimE-print/Working paper (2014)This paper studies the costs and benefits of the adoption of the policy of free movement for workers. For the countries to agree on uncontrolled movement of workers, the short run costs must be outweighed ... [more ▼]This paper studies the costs and benefits of the adoption of the policy of free movement for workers. For the countries to agree on uncontrolled movement of workers, the short run costs must be outweighed by the long term benefits that result from better labor market flexibility and income smoothing. We show that such policies are less likely to be adopted when workers are impatient and less risk averse workers, when production technologies display decreasing returns and when countries trade a share of their products. [less ▲]Detailed reference viewed: 132 (17 UL) Dynamic Hedging and Extreme Asset Co-movementsStefanova, Denitsa ; Elkamhi, RedouaneE-print/Working paper (2014)Detailed reference viewed: 147 (6 UL) Migration: a burden or a blessing for the nativesGabszewicz, Jean; Zanaj, Skerdilajda E-print/Working paper (2014)Detailed reference viewed: 67 (6 UL) Irregular holonomic kernels and Laplace transformKashiwara, Masaki; Schapira, Pierre E-print/Working paper (2014)Detailed reference viewed: 111 (6 UL) Mental Retirement and Non-Contributory Pensions for the Elderly Poor in PeruOlivera Angulo, Javier ; Novella, RafaelE-print/Working paper (2014)This paper analyses the effects of retirement on cognitive abilities for the elderly poor on the basis of the “mental retirement” effect that accompanies retirement. Given the recent emergence and ... [more ▼]This paper analyses the effects of retirement on cognitive abilities for the elderly poor on the basis of the “mental retirement” effect that accompanies retirement. Given the recent emergence and expansion of non-contributory pension programs to alleviate poverty in old-age across low and middle income countries, attention should be pay to the potential acceleration of cognitive decline when individuals retire, i.e. when there is a decrease in their engagement on cognitive demanding activities. We use a unique and recent survey of the poor elderly in Peru (ESBAM) which includes a cognitive test and serves as the baseline for a non-contributory pension program. We find a significant negative effect of retirement on cognitive ability after controlling for a number of demographics and objective health measures, and even after applying instrumental variables to deal with the potential endogeneity of retirement. [less ▲]Detailed reference viewed: 133 (8 UL) Hedge Fund Return Dynamics: long memory and regime switchingLIMAM, mohamed-Ali; Terraza, Virginie E-print/Working paper (2014)This paper investigates the dynamics of hedge fund returns and their behavior of persistence in a unified framework through the Markov Switching ARFIMA model of Härdle and Tsay (2009). Major results based ... [more ▼]This paper investigates the dynamics of hedge fund returns and their behavior of persistence in a unified framework through the Markov Switching ARFIMA model of Härdle and Tsay (2009). Major results based on the CSFB/Tremont hedge fund indexes monthly data during the period 1994-2012, highlight the importance of the long memory parameter magnitude i.e shocks in shaping hedge fund return dynamics and show that the hedge fund dynamics are characterized by two levels of persistence: in the first one, associated to low-volatility regime, hedge fund returns are a stationary long memory process whereas in the second one, associated to high-volatility regime, returns exhibit higher parameter of fractional integration. More precisely, in high volatility regime i.e periods of turmoil, the process tends to be non-stationary but still exhibits a mean-reverting behavior. The findings are interesting and enable us to establish a relationship between hedge fund return states and memory phenomenon. [less ▲]Detailed reference viewed: 207 (6 UL) Universal plane curve and moduli spaces of 1-dimensional coherent sheavesIena, Oleksandr E-print/Working paper (2014)We show that the universal plane curve M of fixed degree d > 2 can be seen as a closed subvariety in a certain Simpson moduli space of 1-dimensional sheaves on a projective plane contained in the stable ... [more ▼]We show that the universal plane curve M of fixed degree d > 2 can be seen as a closed subvariety in a certain Simpson moduli space of 1-dimensional sheaves on a projective plane contained in the stable locus. The universal singular locus coincides with the subvariety of M consisting of sheaves that are not locally free on their support. It turns out that the blow up of M along M' may be naturally seen as a compactification of M_B = M\M' by vector bundles (on support). [less ▲]Detailed reference viewed: 103 (5 UL) Intervals of the homomorphism order of graphs have infinite widthLehtonen, Erkko; Schölzel, Karsten 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 ▲]Detailed reference viewed: 49 (3 UL) Is there a Bubble in the Art Market?Kräussl, Roman ; Lehnert, Thorsten ; Martelin, NicolasE-print/Working paper (2014)Detailed reference viewed: 1290 (83 UL) Extreme Returns in the European Financial CrisisChouliaras, Andreas ; Grammatikos, Theoharry 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 ▲]Detailed reference viewed: 85 (1 UL) Z_2^n-Supergeometry I: Manifolds and MorphismsCovolo, Tiffany ; Grabowski, Janusz; Poncin, Norbert E-print/Working paper (2014)Detailed reference viewed: 340 (89 UL) Z_2^n-Supergeometry II: Batchelor-Gawedzki TheoremCovolo, Tiffany ; Grabowski, Janusz; Poncin, Norbert E-print/Working paper (2014)Detailed reference viewed: 124 (17 UL) Hedge Fund InnovationSiegmann, Arjen; Stefanova, Denitsa ; Zamojski, MarcinE-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 ▲]Detailed reference viewed: 47 (2 UL) The Evolving Beta-Liquidity Relationship of Hedge FundsSiegmann, Arjen; Stefanova, Denitsa 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 ▲]Detailed reference viewed: 113 (3 UL) Le cerveau multilingueEngel de Abreu, Pascale 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 ▲]Detailed reference viewed: 543 (23 UL) Ripple Effects from Industry DefaultsBams, Dennis; Pisa, Magdalena ; Wolff, Christian E-print/Working paper (2014)Detailed reference viewed: 92 (3 UL) La tutela dei diritti umani tra azione esterna dell’Unione europea e politiche interne degli Stati membri: medici, curate vos ipsosGatti, Mauro 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 ▲]Detailed reference viewed: 63 (0 UL) Skewness Risk Premium: Theory and Empirical EvidenceWolff, Christian ; Lehnert, Thorsten ; Lin, Yuehao E-print/Working paper (2014)Detailed reference viewed: 98 (1 UL) Evaluating Option Pricing Model Performance Using Model UncertaintyLehnert, Thorsten ; Blanchard, Gildas; Bams, DennisE-print/Working paper (2014)Detailed reference viewed: 44 (0 UL) An inverse to the antisymmetrization map of Cartan and EilenbergBordemann, Martin; Riviere, Salim E-print/Working paper (2014)Detailed reference viewed: 110 (7 UL) Cournot Competition and "Green" Innovation: An Inverted-U RelationshipTampieri, Alessandro ; Lambertini, Luca; Poyago-Theotoky, JoannaE-print/Working paper (2014)Detailed reference viewed: 111 (2 UL) The ‘Franco-German duo’ and Europe as seen in cartoons (1945–2013)Gabellini, Marco ; Mouton, Victoria 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 ▲]Detailed reference viewed: 100 (16 UL) Skewness Term Structure TestsLehnert, Thorsten ; Lin, Yuehao E-print/Working paper (2014)Detailed reference viewed: 96 (5 UL) Emotions-at-Risk: An Experimental Investigation into Emotions, Option Prices and Risk PerceptionKräussl, Roman ; Bosman, Ronald; van Galen, ThomasE-print/Working paper (2014)Detailed reference viewed: 74 (0 UL) Forecasting Distress in European SME PortfoliosFerreira Filipe, Sara ; Grammatikos, Theoharry ; Michala, Dimitra E-print/Working paper (2014)Detailed reference viewed: 172 (19 UL) Green Consumers, Greenwashing and the Misperception of Environmental QualityTampieri, Alessandro ; Pignataro, Giuseppe; Lambertini, LucaE-print/Working paper (2014)Detailed reference viewed: 105 (5 UL) Dissecting the Act of God: An Exploration of the effect of Religion on Economic ActivityCarpantier, Jean-Francois ; Litina, Anastasia E-print/Working paper (2014)This research establishes that religiosity has a persistent effect on economic outcomes. First we use a sample of migrants in the US to establish that religiosity at the country of origin has a long ... [more ▼]This research establishes that religiosity has a persistent effect on economic outcomes. First we use a sample of migrants in the US to establish that religiosity at the country of origin has a long lasting effect on the religiosity of migrants. Second, exploiting variations in the inherited component of religiosity of migrants, our analysis uncovers the causal effect of religiosity on economic activity using a panel of countries for the period 1935-2000. The empirical findings suggest that i) church attendance has a positive impact on economic outcomes; ii) religious beliefs in the existence of god, hell, heaven and miracles have no systematic effect on economic outcomes, and iii) stronger faith is associated with prosperity. Moreover we extend our analysis to uncover the channels via which religiosity operates. Notably, the positive effect of religious participation and of stronger faith on economic outcomes operates via the creation of social capital and the development of traits, such as hard work and thrift, that are conducive to growth. [less ▲]Detailed reference viewed: 65 (7 UL)