References of "Perelman, Sergio"
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See detailThe changing face of disability insurance
Jousten, Alain ULiege; Lefebvre, Mathieu ULiege; Perelman, Sergio ULiege

E-print/Working paper (2011)

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See detailImposing monotonicity on outputs in parametric distance function estimations
Perelman, Sergio ULiege; Santin, Daniel

in Applied Economics (2011)

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See detailDossier: Inégalités et Pauvreté - Introduction
Perelman, Sergio ULiege; Decoster, André

in Reflets et Perspectives de la Vie Economique (2011), 4

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See detailHealth insurance coverage and adverse selection
Lambert, Philippe ULiege; Perelman, Sergio ULiege; Pestieau, Pierre ULiege et al

in Börsch-Supan, Axel; Brandt, Martina; Hank, Karsten (Eds.) et al The Individual and the Welfare State: Life Histories in Europe (2011)

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See detailMeasuring educational efficiency at student level with parametric stochastic distance functions: an application to Spanish PISA results
Perelman, Sergio ULiege; Santin, Daniel

in Education Economics (2011), 19(1), 29-49

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See detailL’âge de la retraite affecte-t-il le fonctionnement cognitif de la personne âgée?
Adam, Stéphane ULiege; Bonsang, Eric; Perelman, Sergio ULiege

Conference (2010, September 23)

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See detailDoes Retirement Affect Cognitive Functioning?
Bonsang, Eric; Adam, Stéphane ULiege; Perelman, Sergio ULiege

Conference (2010, July 16)

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See detailThe effects of early retirement on youth unemployment: the case of Belgium
Jousten, Alain ULiege; Lefebvre, Mathieu ULiege; Pestieau, Pierre ULiege et al

in Gruber, Jonathan; Wise, David (Eds.) Social Security Programs and Retirement around the World: The Relationship to Youth Employment (2010)

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See detailL'âge du départ à la retraite comme question de politique de santé publique?
Adam, Stéphane ULiege; Bonsang, Eric; Perelman, Sergio ULiege

in La Sève (2010), 1

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See detailDoes Retirement Affect Cognitive Functioning?
Bonsang, Eric; Adam, Stéphane ULiege; Perelman, Sergio ULiege

Report (2010)

This paper analyzes the effect of retirement on cognitive functioning using two large scale surveys. On the one hand the HRS, a longitudinal survey among individuals aged 50+ living in the United States ... [more ▼]

This paper analyzes the effect of retirement on cognitive functioning using two large scale surveys. On the one hand the HRS, a longitudinal survey among individuals aged 50+ living in the United States, allows us to control for individual heterogeneity and endogeneity of the retirement decision by using the eligibility age for Social Security as an instrument. On the other hand, a comparable international European survey, SHARE, allows us to identify the causal effect of retirement on cognitive functioning by using the cross-country differences in the age-pattern of retirement. The results highlight in both cases a significant negative, and quantitatively comparable, effect of retirement on cognitive functioning. Our results suggest that promoting labor force participation of older workers is not only desirable to insure the viability of retirement schemes, but it could also delay cognitive decline, and thus the occurrence of associated impairments at older age. [less ▲]

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See detailDisability in Belgium: There is More than Meets the Eye
Jousten, Alain ULiege; Perelman, Sergio ULiege; Lefebvre, Mathieu ULiege

Report (2010)

The paper provides a perspective on the development of the Belgian disability insurance system. Using both survey and administrative data, it sketches a picture of the (changing) factors leading towards ... [more ▼]

The paper provides a perspective on the development of the Belgian disability insurance system. Using both survey and administrative data, it sketches a picture of the (changing) factors leading towards disability, as well as the outcomes in terms of program participation. The paper shows the key role of integrating other forms of early retirement programs into the analysis. The main findings are an unspectacular trend in the number of DI beneficiaries over time combined with a strong expansion of (early-) retirement schemes. [less ▲]

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See detailTracking the stepwise effects of regulatory reforms over time: a "back-door" approach
González, Maria Manuella; Perelman, Sergio ULiege; Trujillo, Lourdes

in Applied Economics (2009), 41(2), 211-218

Most of the literature on the efficiency effects of regulatory reforms ignores the gradual nature of the implementation of these reforms. This article describes a new simple data manipulation that ... [more ▼]

Most of the literature on the efficiency effects of regulatory reforms ignores the gradual nature of the implementation of these reforms. This article describes a new simple data manipulation that minimizes data requirements to measure econometrically the impact on efficiency of each stage of multi-stages regulatory reforms. The approach can easily be implemented using standard stochastic frontier software programs. It is illustrated with data on the Spanish port system, which went through a two-stage reform during the 1990s. [less ▲]

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See detailBelgian Social Protection Portrait
Atta, C.; Pestieau, Pierre ULiege; Perelman, Sergio ULiege

Report (2009)

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See detailHow to generate regularly behaved production data? A Monte Carlo experimentation on DEA scale efficiency measurement
Santin, Daniel; Perelman, Sergio ULiege

in European Journal of Operational Research (2009), (199), 303-310

Monte Carlo experimentation is a well-known approach used to test the performance of alternative methodologies under different hypotheses. In the frontier analysis framework, whatever the parametric or ... [more ▼]

Monte Carlo experimentation is a well-known approach used to test the performance of alternative methodologies under different hypotheses. In the frontier analysis framework, whatever the parametric or non-parametric methods tested, experiments to date have been developed assuming single output multi-input production functions. The data generated have mostly assumed a Cobb–Douglas technology. Among other drawbacks, this simple framework does not allow the evaluation of DEA performance on scale efficiency measurement. The aim of this paper is twofold. On the one hand, we show how reliable two-output two-input production data can be generated using a parametric output distance function approach. A variable returns to scale translog technology satisfying regularity conditions is used for this purpose. On the other hand, we evaluate the accuracy of DEA technical and scale efficiency measurement when sample size and output ratios vary. Our Monte Carlo experiment shows that the correlation between true and estimated scale efficiency is dramatically low when DEA analysis is performed with small samples and wide output ratio variations. [less ▲]

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See detailLes indicateurs d'inclusion sociale. Où est la Wallonie aujourd'hui?
Atta, Cécile; Maréchal, Claire; Perelman, Sergio ULiege

in Thys, F.; Dejardin, M. (Eds.) Wallonie et Bruxelles: analyses et enjeux (2009)

We use the primary indicators of social inclusion proposed within the scope of the Open Method of Coordination (OMC) to situate Wallonia in the European Union (EU15) context. The results show that ... [more ▼]

We use the primary indicators of social inclusion proposed within the scope of the Open Method of Coordination (OMC) to situate Wallonia in the European Union (EU15) context. The results show that Wallonia stood in 2005 at the same level as Greece and was behind the EU15 level mainly regarding poverty and long-term unemployment rates. Groups at risk are single-parent families as well as unemployed and other inactive categories. Having at disposal these indicators for the years to come will be a must not only for the design but also for the evaluation of policies towards a better social cohesion. [less ▲]

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