We reformulate Grandmont's and its successors' notion of behavioral heterogeneity such as to get the exact insensitivity of the aggregate budget share function with respect to changes in prices and income, instead of a mere approximate insensitivity. We propose a non parametric set-up such that,...

In the development of the general equilibrium theories, Hicks and Allais played an essential role. We are studying here the contributions which were theirs respectively in Value and Capital (1939) and in the Traité d’économie pure (1943). The accent is put on three points: the theory of...

Short lived arbitrage opportunities arise when prices adjust with a lag to new information. They are toxic because they expose dealers to the risk of trading at stale quotes. Hence, theory implies that more frequent toxic arbitrage opportunities and a faster arbitrageurs' response to these...

Notre société fait face à de nombreux risques qui affectent des vies humaines. Les autorités publiques doivent donc déterminer le budget optimal à consacrer à chaque projet visant à diminuer ces risques sociaux. L’analyse avantages-coûts est un outil très utilisé pour...

The aim of this paper is to explore the connections between the time dimension of economic phenomena and that of natural ones within the context of global (joint emissions of the energy sector) or local (joint product of waste) pollutions affecting present and future generations. Discounting...

French Abstract: Cet article présente une évaluation comparative de l’efficacité et de l’équité du régime linguistique de l’Union européenne à l’aide de trois grandes enquêtes statistiques publiées par Eurostat. L’efficacité du régime linguistique actuel, fondé sur...