With hedgefunds, managers develop risk management models that mainly aim to play on the effect of de correlation.In order to achieve this goal,companies use the correlation coefficient as an indicator for measuring dependencies existing between(i)the various hedge funds strategies and share...

L’objet de cette étude est d’évaluer l’impact des décisions des agences de notation (modifications de notation de crédit et les mises sous surveillance de ces notations) sur le prix des actions. Nous concentrons notre étude sur le marché français et comparons nos résultats aux...

This thesis is concerned with Monte Carlo methods for sampling high-dimensional binary vectors from complex distributions of interest. If the state space is too large for exhaustive enumeration, these methods provide a mean of estimating the expected value with respect to some function of...

The article aims at providing an original contribution to the economic assessment of labour law issue. It is based on a theoretical framework shared by economists and jurists which unable an assessment of employment protection legislation in a dynamic perspective focusing on implementation of...

The paper addresses the issue of rethinking the welfare state as a part of a broader national system of social protection (NSSP) and a mode of societal regulation. In order to overcome the theoretical limits of bottom-up comparative analysis of welfare states, one builds a structural model of...

Reforms of primary education undertaken in Madhya Pradesh since the mid-1990’s have been said to be bringing the state close to universal enrolment, yet they have sparked much controversy and have hardly been the subject of any independent research. This paper presents the results of a field...

L’objet de cet article consiste à évaluer empiriquement l’impact de l’éducation publique ou privée sur la durée de chômage qui précède le premier emploi. Notre étude porte sur un pays en développement, Madagascar qui, comme beaucoup d’autres, connaît un essor considérable de...

This paper presents a survey of the large empirical literature in economics that has sought to examine the relationship between educational expenditures and outcomes in both developed and developing countries. The main feature of this literature is the remarkable lack of consensus about the...

Casella and Robert (1996) presented a general Rao--Blackwellisation principle for accept-reject and Metropolis-Hastings schemes that leads to significant decreases in the variance of the resulting estimators, but at a high cost in computing and storage. Adopting a completely different...