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...