The combination of existing technologies is necessary for innovation. An important aspect of technology exchange between firms is that it generates both business creation and, possibly, business stealing. These countervailing effects generate potentially misaligned interests between technology...

Estimates of the private and social rates of return to investments in R&D are of high interest to economists, managers and policymakers. An important problem in the literature is that the canonical model used to obtain such estimates only allows R&D to diffuse through spillovers. This is a...

A model of endogenous price adjustment under money growth is presented. Firms follow (s, S) pricing policies and price revisions are imperfectly synchronized. In the aggregate, price stickiness disappears and money is neutral. The connection between firm price adjustment and relative price...

How should complementarities affect antitrust merger policy? I introduce a two-stage strategic model in which complementary input sellers offer supply schedules to producers and then engage in bilateral bargaining with producers. The main result is that there is a unique weakly dominant strategy...

Microsoft v. Commission indicates a shift in competition policy at the expense of protections for intellectual property. The case applies "essential facilities" arguments to Microsoft's server operating system and "tying" arguments to its Windows Media Player. The dynamic effects of Microsoft v....

Technology lock-in advocates argue that governments should step in to coordinate technology adoption decisions. Due to the presence of network effects, advocates warn that consumers may fail to adopt the best technology, thus missing out on potential benefits. Even worse, consumers may split,...