[fre] Entendu dans un sens un large, l'héritage de Cournot pour les économistes consiste (i) en ce qu'il a montré comment utiliser de manire générale les mathématiques pour développer des théories économiques, au lieu d'avoir recours des exemples reposant sur des formes fonctionnelles...

This article analyzes advertising in an n-firm infinite horizon, differentiated products oligopoly. The firms all choose output and advertising levels in each period, and are assumed to behave noncooperatively. Advertising is characterized in a manner similar to capital: the effects of money...

We investigate a spatial duopoly in which the firms simultaneously select locations at the beginning of time; once chosen, the locations are fixed forever, but the firms will choose prices in each of a countably infinite succession of time periods. We are interested in equilibrium behavior when...

In this article I investigate three single-shot models of differentiated-products oligopoly. In each model firms choose both output and price. The demand, cost, and spillover demand specifications are quite general, and there are three main results. First, with simultaneous choice there is no...