Seven Myths of Market Definition

Sean P. Sullivan, Seven Myths of Market Definition, Antitrust Chronicle, April 2022.

9 Pages Posted: 27 Apr 2022

See all articles by Sean Sullivan

Sean Sullivan

University of Iowa College of Law

Date Written: April 13, 2022

Abstract

Roughly a year into control of the federal antitrust agencies, President Biden’s antitrust team is turning its attention to policies and enforcement practices. They seem poised to start, as antitrust so often does, with market definition. This is an appropriate target for review but also perilous territory for the administration. Even slight missteps in market definition could spell disaster for broader enforcement objectives. To help policy work start from a solid foundation, this essay identifies seven common myths of market definition and explains how to avoid them.

Keywords: antitrust, market definition, merger guidelines

JEL Classification: K21, L41, L11

Suggested Citation

Sullivan, Sean, Seven Myths of Market Definition (April 13, 2022). Sean P. Sullivan, Seven Myths of Market Definition, Antitrust Chronicle, April 2022., Available at SSRN: https://ssrn.com/abstract=4083304

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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