Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

Tuesday, October 2, 2012

Antitrust Enforcement Regimes: Fundamental Differences

Posted by D. Daniel Sokol

Keith Hylton (BU) discusses Antitrust Enforcement Regimes: Fundamental Differences.

ABSTRACT: Since China has modeled its antitrust regime on that of the EU, there are essentially two antitrust regime types: the U.S. and the EU. This chapter is a brief comparative study of the two regimes. I focus on three categories in which fundamental differences are observed: enforcement, legal standards, and procedure. Within each of the three categories, I narrow the focus to a specific illustrative feature. With respect to enforcement, the EU imposes gain-based penalties while the U.S. imposes harm-based penalties. In predation law, the U.S. has a marginal cost standard and the EU has an average cost standard. With respect to procedure, the U.S. is a common law system, while the EU’s procedure is closer to the civil law system in its allocation of power between the courts and the enforcement agency. These differences have profound implications for the welfare consequences of global antitrust enforcement.

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