In the spirit of Arrow (1962), we examine, in an oligopoly model with horizontally differentiated products, how much a firm is willing to pay for a process innovation that it would be the only one to use. We show that different measures of competition (number of firms, degree of product...

Des écarts de prix importants sur les marchés automobile européens donnent lieu à des importations parallèles entre les pays de l'Union Européenne. Ce commerce « gris » va-t-il faire converger les prix vers un prix unique, plus concurrentiel ? Cet article a pour objet d'analyser les...

We provide sufficient conditions for existence and uniqueness of a Cournot equilibrium. The contraction mapping approach is used. Equilibrium is characterized in terms of marginal costs. The result is useful for applications to two-stage games, where, in the first stage, firms incur costs to...

We study the links between observability and flexible technological choices in a duopolistic market. We show that, in large markets, the strategic value of flexibility is positive and observability of technological choices promotes the adoption of more flexible technologies whereas in small...

We study the development of a duopoly industry -evolution of firm capacities and competitive behavior- in a continuous-time real-options model of capacity investment. Our methodology allows the evaluation of investment options and exercise rules in a strategic setup. In the initial industry...

We study a simple duopoly model of preemption with multiple investments and instantaneous Bertrand competition in a stochastically growing market. Different patterns of equilibria may arise, depending on the importance of the real option effect. If the average growth rate of the market is close...

In telecommunications some operators have deployed their own networks whereas others have not. The latter firms must purchase wholesale products from the former to be able to compete on the final market. We show that, even when network operators compete in prices and offer homogenous products on...

This paper analyzes the literature concerning models of endogenous mergers. Traditional models of exogenous mergers analyze mergers as isolated phenomena. However, some empirical facts about M&A don’t seem to be explained in this literature. Models of endogenous mergers take into account all...

Les normes techniques envahissent notre quotidien (automobile, téléphone portable, conservation des aliments) au point que leur omniprésence facilite leur invisibilité. S’il est certain que la construction de ces normes est très majoritairement internationale, il reste à savoir qui...

Nous proposons un modèle de concurrence bancaire qui prend en compte la taille des conventions de services comme variable stratégique. Le nombre de produits inclus dans les conventions de services bancaires (CSB) réduit les coûts de commercialisation de la banque, via une augmentation des...