The paper aims at assessing the costs and benefits of antitrust enforcement. The analysis starts with an investigation of why competition is typically worth protecting followed by a collection of empirical evidence which shows that competition actually needs protection by antitrust policy in...

Introduction / Robert W. Hahn -- Tales of bundling : implications for the application of antitrust law to bundled discounts / Bruce H. Kobayashi -- Why tie an essential good? / Dennis W. Carlton and Michael Waldman -- Tying : the poster child for antitrust modernization / David S. Evans