Merger review is the most active area of U.S. antitrust policy. It is now widely believed that merger policy must move beyond its traditional focus on short-run, price and output effects to account for longer-run effects on technological innovation. The question is, how should merger policy...

We consider innovation incentives in markets where final goods comprise two strictly complementary components, one of which is monopolized. We focus on the case in which the complementary component is competitively supplied, and in which innovation is important. We explore ways in which the...