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...

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...

This paper analyzes the profitability of vertical integration for an upstream monopoly facing a potential competitor. We show that it depends on the technology used by the firm when it integrates. We distinguish two types of technologies : standard technologies used by non-integrated firms, and...

La critique d'ad hocite est courante en economie, mais elle reste confuse, reposant aussi bien sur des arguments d'ordre heuristique (fondements microéconomiques), que sur des arguments d'ordre empirique (ajustement d'une theorie aux faits). Si l'epistemologie d'inspiration popperienne fournit...

Cet article a pour but de demontrer la viabilite des politique de taxation du capital dans une economie mondiale a deux pays avec imparfaite substituabilite des capitaux. Les agents sont altruistes et donnent une partie de leur patrimoine a leurs enfants. La presence d'une contrainte sur les...