How can small and medium-sized German postal providers ensure nationwide geographical coverage without the aid of the former monopolist? A closer look at the industry revealed that postal providers in Germany engage in different types of cooperation in order to expand their geographical coverage...

It has been suggested that mergers, by increasing concentration, raise incentives to invest and hence are pro-competitive. To study the effects of mergers, we rewrite a game with simultaneous price and cost-reducing investment choices as one where firms only choose prices, and make use of...

The recent years have exhibited a burst in the amount of collaborative activities among firms selling complementary products. This paper aims at providing a rationale for such a large extent of collaboration ties among complementors. To this end, we analyze a game in which the two producers of a...