In this paper the authors argue that the contemporary tensions between patents and competition no longer reside in the traditional trade-off between the exclusionary right given to an inventor to encourage innovation, and the welfare loss induced by the market power associated to this right....

This paper explores a licensor's choice between charging a per-unit royalty or a …fixed fee when her innovation is covered by a weak patent, i.e. a patent that is likely to be invali- dated by a court if challenged. Using a general model where the nature of competition is not speci…ed, we show...

[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...

[fre] Choix technologiques et stratégies de dissuasion d'entrée, . par William James Adams, Bruno Crépon, David Encaoua.. . Une entreprise peut sélectionner, au sein d'un ensemble d'innovations, la technologie qui lui est le plus favorable pour maintenir son pouvoir de marché. On avance ici...

Cet article propose une réflexion générale sur le système des brevets. Trois questions sont d'abord examinées : 1. Le brevet favorise-t-il l'innovation ? 2. La propriété intellectuelle est-elle comparable aux autres formes de propriété ? 3. La protection par le brevet est-elle...

The paper investigates the choice of a licensing mechanism by the holder of a patent whose validity may be challenged. Focusing fi…rst on weak patents, i.e. patents that have a high probability of being invalidated by a court if challenged, we show that the patent holder fi…nds it optimal to...

Book's Review:Louis Kaplow, Competition Policy and Price Fixing, Princeton University Press, Princeton and Oxford, 2013