La legislation qui limite le recours aux contrats a duree determinee (CDD) a pour but de limiter les fluctuations de l'emploi. Mais si les contrats temporaires permettent une gestion efficace de la main d'oeuvre en presence d'incertitude, limiter leur recours pese sur les profits des entreprises...

The aim of this paper is to propose a model that describes the strategic choices adopted by the firms in the competitive structure of multimedia industry. From a sample of competitors in three large activities of the multimedia (audio-visual, telecommunications, data processing) we build an...

In an exchange economy with no aggregate uncertainty, and Bayesian agents, Pareto optimal allocations provide full insurance if and only if the agents have a common prior. It is hard to explain why there is relatively so little betting taking place. One is led to ask, when are full insurance...

This article wonders why wage rigidity institutions are so widely effective in OECD countries whereas fiscal instruments can more efficiently redistribute income from high skilled to low skilled workers withj lower unemployment.

Cognitive dissonance or cognitive consistency theory, as we understand it, does not presume irrational behavior although it is inconsistent with normative rationality. Previous discussions have overlooked that cognitive dissonance implied dynamic undertainty. Once this dimension of choice is...

We derive from Bernis [2000] a strategic mechanism which fully implements the set of competitive equilibria on a dynamically incomplete reinsurance market VIA Nash equilibria. The mechanism is feasible, and such that the set of coalition proof Nash equilibria coincides with that of Nash...