Market Definition

Research Handbook on Abuse of Dominance and Monopolization (Pınar Akman, Konstantinos Stylianou, & Or Brook eds., Forthcoming)

26 Pages Posted: 8 Jun 2021 Last revised: 1 Aug 2021

See all articles by Sean Sullivan

Sean Sullivan

University of Iowa College of Law

Date Written: July 31, 2021

Abstract

Monopolization, in the United States, and abuse of dominance, in the European Union, embody different philosophies about how best to police single firm conduct in competition law. Surprisingly, their disagreement ends at market definition. Both doctrines define relevant markets by similar processes and use relevant markets for similar purposes. In some contexts, this type of agreement would be a welcome sight. Here, it reflects a pocket of confusion in each area of law. This chapter describes the confusion of current market definition practices and takes some initial steps toward a more coherent approach.

Keywords: market definition, relevant market, monopoly, monopolization, abuse of dominance, abuse of a dominant position

JEL Classification: K21, L40

Suggested Citation

Sullivan, Sean, Market Definition (July 1, 2021). Research Handbook on Abuse of Dominance and Monopolization (Pınar Akman, Konstantinos Stylianou, & Or Brook eds., Forthcoming), Available at SSRN: https://ssrn.com/abstract=3861047 or http://dx.doi.org/10.2139/ssrn.3861047

Sean Sullivan (Contact Author)

University of Iowa College of Law ( email )

Melrose and Byington
Iowa City, IA 52242
United States

HOME PAGE: http://sean-p-sullivan.com

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