Network neutrality has recently been the topic of an important debate, in both the telecommunication and political worlds, because of its potential impact in every-day life. While there has been many studies discussing the advantages and drawbacks of neutrality, there is no game-theoretical...

In this paper we consider a simple model of horizontal differentiation and derive the closed form solutions for the level of the variables in the decentralized economy and in the social planner case. This enables us to analyze consumers' welfare as a function of the parameter representing market...

Current EU policy exempts horizontal R&D agreements from antitrust con- cerns when the combined market shares of participants are low enough. This paper argues that existing theory does not support limiting the exemption to low market shares. This is done by introducing a set of non-innovating...