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...

La littérature contient très peu de recherches empiriques concernant les effets distributifs du système sociofiscal à l’intérieur du ménage. Nous simulons cet effet dans le cadre du modèle collectif d’offre de travail lorsque l’on passe d’une taxation jointe à une taxation...

In this paper we analyze the decision of "working" versus "not working" within a discrete choice framework, where number of available jobs is confined and related to individual characteristics. In this way the market constraint from the demand side is taken into account. We also accommodate the...

This paper analyses the impact of migrant remittances on the supply of labour of beneficiaries in a developing country. The model is cast as a two period game between a resident and an altruistic migrant, under imperfect information of the latter about the true economic situation of the former....