In this paper we consider the problem of compatibility between networks when the consumers of a network service value the capacity of the network itself rather than the number of users. Compatibility decisions are modelled as the outcome of a three stages game where strategies include...

This paper is an attempt to give a precise content to the notion of potential competition in a natural monopoly market. Competition is described as a two stage game in which a set of firms announce first a price, then a level of output. Contingent demands for each firm are obtained from a...

L'objet de cette étude est de présenter une analyse de la dynamique des prix industriels en relation avec l'évolution des coûts de production et les fluctuation de l'activité économique, dans quelques pays de l'OCDE au cours des vingt dernières années. Les succès récents que certains...

The paper examines under what conditions vertically differentiated duopolists engage in first-degree price discrimination. Each firm decides on a pricing regime at a first stage and sets prices at a second stage. The paper shows that when unit cost is an increasing and convex function of...

[eng] The main objective of this paper is to analyze the links between product market competition, innovation . and growth. We capture the idea that firms innovate in order to try to escape -albeit temporarily - from . the pressure of competition exerted on them by their rivals. There are two...

[fre] Réglementation et concurrence : quelques éléments de théorie économique, par David Encaoua.. . Ce document présente des éléments de théorie économique permettant d'éclairer le débat autour du thème de la déréglementation économique. L'accent est mis sur les situations de...