In a winner-take-all duopoly market for systems in which firms invest to improvetheir products, a monopoly supplier of an essential system component may havean incentive to advantage itself by technological tying; that is, by designing thecomponent to work better in its own system. If the...

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...