En réponse au cadre concurrentiel renforcé mis en place par la directive MIF pour l’exécution des ordres, les différentes catégories d’acteurs concernés cherchent à s’adapter au mieux aux évolutions induites tant par les modifications réglementaires que par les évolutions...

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...

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...

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,...

À la suite d’un Livre Vert consacré à l’esprit d’entreprise, la Commission européenne s’est récemment inquiétée du déficit d’entrepreneurs de l’Europe par rapport aux États-Unis. Cet article présente un modèle de commerce international avec incertitude qui étudie les...

A panel data analysis is used to evaluate the effects on openness/inequalities relationship of such factors as factor endowments, associated trade diversification paths, openness of low wage Asiatic countries and technological bias in imports. The focus is on Latin America. Predictions of...