This article develops an evolutionary model of industry dynamics in order to carry out a richer theoretical analysis of the consequences of a stronger patent system. The first results obtained in our article are rather consistent with the anti-patent arguments and they do not favour the case for...

A collection of original research papers by a number of industrial organization economists active in the field of Research and Development theory and policy. It covers patent policy, the effects of market structure and the internal organization of the firm on R&D incentives and technical...