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See detailFNR Highlight: CeMi: Cemeteries & crematoria as public spaces of belonging in Europe.
Kmec, Sonja UL

Diverse speeches and writings (2022)

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Peer Reviewed
See detailAutomatic Classification of Peer Review Recommendation
Kozlowski, Diego UL; Boothby, Clara; Pei-Ying, Chen et al

Poster (2022, September 08)

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See detailLimites et enjeux du travail à distance en contexte transfrontalier
Pigeron-Piroth, Isabelle UL; Belkacem, Rachid

in Entreprises Magazine (2022), 115

Le télétravail imposé par la pandémie n’est pas sans soulever un certain nombre de questions (juridiques, sociales, fiscales notamment) liées à la présence de la frontière entre le lieu de résidence et le ... [more ▼]

Le télétravail imposé par la pandémie n’est pas sans soulever un certain nombre de questions (juridiques, sociales, fiscales notamment) liées à la présence de la frontière entre le lieu de résidence et le lieu de travail. Par ailleurs, dans un contexte tendu par les problèmes de mobilité et de congestion, une autre forme de travail à distance tend à se développer ces dernières années: les espaces de Coworking. [less ▲]

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See detailEssays on Market Microstructure and Financial Markets Stability
Levin, Vladimir UL

Doctoral thesis (2022)

The present doctoral thesis consists of three main chapters. The chapters of the thesis can be considered independently. Each of the three chapters raises a research question, reviews the related ... [more ▼]

The present doctoral thesis consists of three main chapters. The chapters of the thesis can be considered independently. Each of the three chapters raises a research question, reviews the related literature, proposes a method for the analysis, and, finally, reports results and conclusions. Chapter 1 is entitled Dark Trading and Financial Markets Stability and it is based on a working paper co-authored with Prof. Dr. Jorge Goncalves and Prof. Dr. Roman Kraussl. This paper examines how the implementation of a new dark order -- Midpoint Extended Life Order (M-ELO) on Nasdaq -- impacts financial markets stability in terms of occurrences of mini-flash crashes in individual securities. We use high-frequency order book data and apply panel regression analysis to estimate the effect of dark order trading activity on market stability and liquidity provision. The results suggest a predominance of a speed bump effect of M-ELO rather than a darkness effect. We find that the introduction of M-ELO increases market stability by reducing the average number of mini-flash crashes, but its impact on market quality is mixed. Chapter 2 is entitled Dark Pools and Price Discovery in Limit Order Markets and it is a single-authored work. This paper examines how the introduction of a dark pool impacts price discovery, market quality, and aggregate welfare of traders. I use a four-period model where rational and risk-neutral agents choose the order type and the venue and obtain the equilibrium numerically. The comparative statics on the order submission probability suggests a U-shaped order migration to the dark pool. The overall effect of dark trading on market quality and aggregate welfare was found to be positive but limited in size and depended on market conditions. I find mixed results for the process of price discovery. Depending on the immediacy need of traders, price discovery may change due to the presence of the dark venue. Chapter 3 is entitled Machine Learning and Market Microstructure Predictability and it is another single-authored piece of work. This paper illustrates the application of machine learning to market microstructure research. I outline the most insightful microstructure measures, that possess the highest predictive power and are useful for the out-of-sample predictions of such features of the market as liquidity volatility and general market stability. By comparing the models' performance during the normal time versus the crisis time, I come to the conclusion that financial markets remain efficient during both periods. Additionally, I find that high-frequency traders activity is not able to forecast accurately neither of the market features. [less ▲]

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Peer Reviewed
See detailOpinion Statement ECJ-TF 2/2022 on the Decision of 27 January 2022 in European Commission v. Kingdom of Spain (Form 720) (Case C-788/19)
Kofler, Georg; García Prats, Alfredo; Haslehner, Werner UL et al

in European Taxation (2022), 62(7), 304-310

In this CFE Opinion Statement, the CFE ECJ Task Force comments on the decision of 27 January 2022 in European Commission v. Kingdom of Spain (Form 720) (Case C-788/19) on the lack of proportionality of ... [more ▼]

In this CFE Opinion Statement, the CFE ECJ Task Force comments on the decision of 27 January 2022 in European Commission v. Kingdom of Spain (Form 720) (Case C-788/19) on the lack of proportionality of the consequences derived from the failure to provide information concerning assets or rights held in other Member States of the European Union or the European Economic Area. [less ▲]

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See detailIntersectional inequalities in science
Kozlowski, Diego UL

Scientific Conference (2022, April 28)

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See detailOpinion Statement ECJ-TF 1/2022 on the ECJ Decision of 25 November 2021 in État Luxembourgeois v. L (Case C-437/19) on the Conditions for Information Requests and Taxpayer Remedies
Kofler, Georg; García Prats, Alfredo; Haslehner, Werner UL et al

in European Taxation (2022), 62(4), 219-223

In the judgment commented on in this article, the Court of Justice clarified the conditions for the identification of a taxpayer in group requests under the DAC (Directive 2011/16) and confirmed that ... [more ▼]

In the judgment commented on in this article, the Court of Justice clarified the conditions for the identification of a taxpayer in group requests under the DAC (Directive 2011/16) and confirmed that article 47 of the Charter on Fundamental Rights requires the information holder to be given the necessary information to assess the request’s legality. [less ▲]

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See detailEffects of an e-learning platform to improve primary care physicians’ response to domestic violence
Gomez Bravo, Raquel UL

Doctoral thesis (2022)

Family Violence (FV) is a broad term that includes different types of violence and abuse that occur within the family, like domestic violence (DV) or Intimate Partner Violence (IPV), Child Abuse or ... [more ▼]

Family Violence (FV) is a broad term that includes different types of violence and abuse that occur within the family, like domestic violence (DV) or Intimate Partner Violence (IPV), Child Abuse or neglect (CA), Elder Abuse (EA) and Female Genital Mutilation (FGM), inter alia. The most prevalent is DV or IPV, declared to be one of the most serious human rights violations, even prior to the aggravated situation brought about by the COVID-19 in 2020. Margaret Chan, 2013 WHO director, called it a global public health care issue of epidemic proportions, but COVID-19 has transformed it into a pandemic as well, earning it the dubious distinction of being the shadow pandemic. Governments’ responses to stop the spread of the infection have forced many families to stay at home, triggering or aggravating cases of IPV and abuse. The prevalence of IPV around the world has been estimated at 30%, although this percentage varies depending on the region of the world or the country, ranging from 20% in the Western Pacific to 33% in the World Health Organisation (WHO) South-East Asia region. Unfortunately, the United Nations Population Fund (UNFPA) predicts that the impact of the pandemic will increase IPV by 20% during the pandemic. Despite the epidemic proportions of this healthcare problem and its enormous and horrendous consequences at all levels (social well-being, physical and mental health), not only for the individual but also their families, IPV remains largely underdiagnosed. Although victims tend to use healthcare services more, and trust health care professionals (HCP) to disclose abuse, they do not do so unless professionals specifically ask for it. Nevertheless, one of the most common barriers that prevent HCP from enquiring is that they do not feel adequately trained to tackle it. Although research on the effectiveness of IPV training for HCP suggests that they improve their knowledge, attitudes, self-perceived readiness to approach this problem, and actual response, this topic has not yet been formally included in the curricula. The World Health Organization and the National Institute for Health have published guidelines for health services and recommendations to facilitate the development and implementation of effective training, underlining the need to improve HCP education. The overall objectives of this thesis are to describe current training provisions on FV in the European Region (FAVICUE), and to investigate the effects of a digital education intervention in improving primary care physicians’ response to DV (E-DOVER). [less ▲]

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Peer Reviewed
See detailSuper-Heisenberg scaling in Hamiltonian parameter estimation in the long-range Kitaev chain
Yang, Jing UL; Pang, Shengshi; Del Campo Echevarria, Adolfo UL et al

in Physical Review Research (2022)

In quantum metrology, nonlinear many-body interactions can enhance the precision of Hamiltonian parameter estimation to surpass the Heisenberg scaling. Here, we consider the the estimation of the ... [more ▼]

In quantum metrology, nonlinear many-body interactions can enhance the precision of Hamiltonian parameter estimation to surpass the Heisenberg scaling. Here, we consider the the estimation of the interaction strength in linear systems with long-range interactions and using the Kitaev chains as a case study, we establish a transition from the Heisenberg to super-Heisenberg scaling in the quantum Fisher information by varying the interaction range. We further show that quantum control can improve the prefactor of the quantum Fisher information. Our results explore the advantage of optimal quantum control and long-range interactions in many-body quantum metrology. [less ▲]

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See detailElder Abuse and Neglect
Rigon, Sara; Dascal-Weichhendler, Hagit; Rothschild-Meir, Shelly et al

in The Role of Family Physicians in Older People Care. Practical Issues in Geriatrics (2022)

Elder maltreatment was frst mentioned in a scientifc publication in 1975; nowa- days elder abuse has gained the necessary visibility to become internationally recognised as a global public health and ... [more ▼]

Elder maltreatment was frst mentioned in a scientifc publication in 1975; nowa- days elder abuse has gained the necessary visibility to become internationally recognised as a global public health and social matter. However data and studies on this specifc form of violence and the understanding of the phenomenon are still quite limited; recent meta-analysis tried to estimate the scale of the problem and indicated a combined prevalence for overall elder abuse in the past year between 14.3% and 15.7%, psychological abuse being the most common form of elder abuse both in community and residential settings. Elder abuse and neglect (EAN) has extensive effects on the quality of life, morbidity and mortality of older adults, and health workers are in a unique posi- tion to identify it. The global elderly population is increasing dramatically worldwide, from 900 million in 2015 to nearly 2 billion in 2050, so the incidence and prevalence of EAN will increase as well concomitantly. Identifcation and management of elder abuse need to be a priority of healthcare providers. At the same time, urgent steps should be taken by policymakers around the globe targeting the population changes and risk factors for EAN comprehensively, from every possible aspect. [less ▲]

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See detailSafety Culture and the Positive Association of Being a Primary Care Training Practice during COVID-19: The Results of the Multi-Country European PRICOV-19 Study.
Silva, Bianca; Ožvačić Adžić, Zlata; Vanden Bussche, Pierre et al

in International Journal of Environmental Research and Public Health (2022)

The day-to-day work of primary care (PC) was substantially changed by the COVID-19 pandemic. Teaching practices needed to adapt both clinical work and teaching in a way that enabled the teaching process ... [more ▼]

The day-to-day work of primary care (PC) was substantially changed by the COVID-19 pandemic. Teaching practices needed to adapt both clinical work and teaching in a way that enabled the teaching process to continue, while maintaining safe and high-quality care. Our study aims to investigate the effect of being a training practice on a number of different outcomes related to the safety culture of PC practices. PRICOV-19 is a multi-country cross-sectional study that researches how PC practices were organized in 38 countries during the pandemic. Data was collected from November 2020 to December 2021. We categorized practices into training and non-training and selected outcomes relating to safety culture: safe practice management, community outreach, professional well-being and adherence to protocols. Mixed-effects regression models were built to analyze the effect of being a training practice for each of the outcomes, while controlling for relevant confounders. Of the participating practices, 2886 (56%) were non-training practices and 2272 (44%) were training practices. Being a training practice was significantly associated with a lower risk for adverse mental health events (OR: 0.83; CI: 0.70–0.99), a higher number of safety measures related to patient flow (Beta: 0.17; CI: 0.07–0.28), a higher number of safety incidents reported (RR: 1.12; CI: 1.06–1.19) and more protected time for meetings (Beta: 0.08; CI: 0.01–0.15). No significant associations were found for outreach initiatives, availability of triage information, use of a phone protocol or infection prevention measures and equipment availability. Training practices were found to have a stronger safety culture than non-training practices. These results have important policy implications, since involving more PC practices in education may be an effective way to improve quality and safety in general practice. [less ▲]

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Peer Reviewed
See detailVariational principle for optimal quantum controls in quantum metrology
Yang, Jing UL; Pang, Shengshi; Chen, Zekai et al

in Physical Review Letters (2022)

We develop a variational principle to determine the quantum controls and initial state that optimizes the quantum Fisher information, the quantity characterizing the precision in quantum metrology. When ... [more ▼]

We develop a variational principle to determine the quantum controls and initial state that optimizes the quantum Fisher information, the quantity characterizing the precision in quantum metrology. When the set of available controls is limited, the exact optimal initial state and the optimal controls are, in general, dependent on the probe time, a feature missing in the unrestricted case. Yet, for time-independent Hamiltonians with restricted controls, the problem can be approximately reduced to the unconstrained case via Floquet engineering. In particular, we find for magnetometry with a time-independent spin chain containing three-body interactions, even when the controls are restricted to one- and two-body interaction, that the Heisenberg scaling can still be approximately achieved. Our results open the door to investigate quantum metrology under a limited set of available controls, of relevance to many-body quantum metrology in realistic scenarios. [less ▲]

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See detailEnjeux de la mobilité des jeunes dans l’espace frontalier. Apprentissages et cursus universitaires transfrontaliers pendant la pandémie : expériences et perspectives
Ines, Funk; Wille, Christian UL

Report (2022)

The cross-border study looks at young people who, in retrospect, were granted virtually no consideration in the pandemic. First of all, the authors analyse the impact of the pandemic on vocational ... [more ▼]

The cross-border study looks at young people who, in retrospect, were granted virtually no consideration in the pandemic. First of all, the authors analyse the impact of the pandemic on vocational training across the German-French border. They base their findings on a number of interviews, which provide insights into the dynamics of cross-border cooperation in the vocational field at a time which was characterised not only by Covid-19, but also by institutional restructuring. The authors then go on to present the results of their own survey of students on bachelor's and master's courses in the border areas of the Greater Region. The survey was coordinated by Saarland University and provides information on the physical and virtual mobility of students, on their social contacts and their counselling and support needs during 2020 and 2021. The results are illustrated with concrete examples from students on the tri-national UniGR master's course in Border Studies. [less ▲]

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See detailStresstest für die Jugendmobilität im Grenzraum. Grenzüberschreitende Berufsausbildung und Studium während der Pandemie – Erfahrungen und Perspektiven
Funk, Ines; Wille, Christian UL

Report (2022)

The cross-border study looks at young people who, in retrospect, were granted virtually no consideration in the pandemic. First of all, the authors analyse the impact of the pandemic on vocational ... [more ▼]

The cross-border study looks at young people who, in retrospect, were granted virtually no consideration in the pandemic. First of all, the authors analyse the impact of the pandemic on vocational training across the German-French border. They base their findings on a number of interviews, which provide insights into the dynamics of cross-border cooperation in the vocational field at a time which was characterised not only by Covid-19, but also by institutional restructuring. The authors then go on to present the results of their own survey of students on bachelor's and master's courses in the border areas of the Greater Region. The survey was coordinated by Saarland University and provides information on the physical and virtual mobility of students, on their social contacts and their counselling and support needs during 2020 and 2021. The results are illustrated with concrete examples from students on the tri-national UniGR master's course in Border Studies. [less ▲]

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See detailCemeteries and Crematoria. Creating inclusive public spaces in Luxembourg
Kmec, Sonja UL; Westendorp, Mariske

Report (2021)

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See detailCimetières et crématoriums. Créer des espaces publics inclusifs au Luxembourg
Kmec, Sonja UL; westendorp, Mariske

Report (2021)

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See detailFriedhöfe und Krematorien. Zur inklusionsorientierten Adaptierung öffentlichen Raums
Kmec, Sonja UL; Westendorp, Mariske

Report (2021)

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See detailCemitérios e Crematórios. Criar espaços públicos inclusivos em Luxemburgo
Kmec, Sonja UL; westendorp, Mariske

Report (2021)

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