We study the effect of encouraging private actions for breaches of competition law. We develop a model of litigation and settlement with asymmetric information. We show that screening liable from non-liable defendants requires the Court to restrict the rules governing admissible evidence. We...

We study the "backbone market" in the Internet. After discussing the structure of the Internet, we use an extension of the Katz-Shapiro network model to analyze the strategies that would be used by dominant backbone. We show that a larger backbone prefers a lower quality interconnection than the...

This paper develops a model of pricing to deter entry by a sole supplier of a network good. We show that the installed user base of a network good can serve a preemptive function similar to that of an investment in capacity if the entrant's good is incompatible with the incumbent's good and...

There has been a recent surge of interest in open source software development, which involves developers at many different locations and organizations sharing code to develop and refine programs. To an economist, the behavior of individual programmers and commercial companies engaged in open...

We examine the performance attributes of a merchant transmission investment framework that relies on 'market driven' investment to increase transmission network capacity needed to support competitive wholesale markets for electricity. Under a stringent set of assumptions, the merchant investment...