This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each area, we select the most relevant portions of...

Firm strategies cannot be analyzed without taking into consideration the legal framework which governs the relationships between economic agents, especially competition law. As a consequence, firms have to maneuver through a complex universe, taking account of both the rules of the economic game...

This article provides a model of two risk-neutral firms that may cooperate to achieve a goal that is potentially illegal. The model assumes enforcement risk and firms that are imperfectly informed about antitrust law enforcement. It is shown that compliance training, which educates the agents...

We study the timing of leniency applications using a novel application of multi-spell discrete-time survival analysis for a sample of cartels prosecuted by the European Commission between 1996 and 2014. The start of a Commission investigation does not affect the rate by which conspirators apply...

We investigate how colluding asymmetric firms divide markets. We provide conditions under which, contrary to conventional wisdom, the efficient firm gains more from collusion, while the inefficient firm is more tempted to defect. Both anti-trust investigations and leniency policies have the...

The present paper analyzes the interaction between the economic review of the probition of abuses of a dominant position (Article 82 EC) on the one hand and the efforts to enhance private enforcement of competition law through private damage claims on the other hand. The paper argues that...

For more than half a century, courts have viewed certain uses of intellectual property (IP) as misuse, rendering the IP unenforceable until the misuse is purged. The doctrine began with patents, but courts have recently extended it to copyrights. In most cases, it reflects concern over...

This paper reviews the legal and economic structure of the class action litigation model in the United States, as set forth by rule 23 of US civil procedure, exploring the requirements for obtaining class certification and maintaining a class action. I analyze a number of critical issues and...