Today, working in the industrialized countries is mainly a matter of middle-aged people (25 to 54 year old). This is particularly true in France where the participation rate for the less than 25 year old people is the smallest one in OECD countries and that for men older than 54 one of the...

Le secteur agricole est un pilier central de la construction européenne et il occupe, des lors, une place prépondérante dans les politiques européennes. L’agriculture doit faire face a des défis importants, résultant de l’internationalisation et de la mondialisation des politiques et...

Judgment (or logical) aggregation theory is logically more powerful than social choice theory and has been put to use to recover some classic results of this field. Whether it could also enrich it with genuinely new results is still controversial. To support a positive answer, we prove a social...

French Abstract: Cet article vise à présenter et mettre en perspective les approches structurelles et non structurelles en économétrie de l'évaluation des politiques publiques. Si ces approches sont souvent opposées car correspondant à des démarches scientifiques différentes, elles se...

Sur la décennie passée, la croissance de la productivité a souffert dans la zone euro d’une série d’ajustements sectoriels ; le caractère transitoire de ces ajustements permet d’envisager une accélération structurelle de la productivité.

During the last years, the financial markets have been subject to significant fluctuations of their financial actives. These spectacular movements have revived the interest, in the academic circles and policy makers and regulation and control authorities as well, for the financial market...

We consider the VaR associated with the global loss generated by a set risk sources. We propose a sequence of simple models incorporating progressively the notions of contagion due to instantaneous correlations, of serial correlation, of evolution of the instantaneous correlations, of volatility...