The aim of this paper is to provide a microeconometric analysis of the impact of research joint venture participation on productivity, using a large panel of around 6200 firms. The findings of the theoretical literature on this topic are ambiguous and there are very few empirical papers...

The paper investigates how competition between two multiproduct downstream firms in vertical relationships affects horizontal relationships: competitor collaboration and performance difference. When the upstream market consists of exclusive suppliers, the efficient firm may have incentive for...