Antitrust & Competition Policy Blog

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

Wednesday, December 4, 2019

Merger Breakups

Menesh Patel, UC Davis has a paper on Merger Breakups.

ABSTRACT: One of today’s most pressing antitrust questions is how antitrust should address the conduct of dominant technology companies such as Amazon, Facebook, and Google. These companies, once considered untouchable by antitrust law, are now the subject of growing calls for their antitrust breakup, including through actions by the federal antitrust agencies to challenge and unwind key mergers in the technology space, such as Facebook-Instagram, Amazon-Whole Foods, and Google-DoubleClick, among others. But nearly every one of the technology mergers identified for ex-post challenge and breakup was previously reviewed and cleared by the antitrust agencies pursuant to the existing federal merger review scheme, including in some instances after a lengthy investigation. The calls for the antitrust breakup of the identified technology mergers therefore implicate a much more fundamental antitrust question: should the antitrust agencies more readily challenge mergers that they themselves previously reviewed and cleared pursuant to the existing federal merger review scheme? This article offers a qualified affirmative response to that question. The antitrust agencies should increase the extent of their challenges to previously reviewed and cleared mergers, but should do so in a principled way that respects the significant mitigating factors associated with an expansion in such ex-post merger challenges. By conducting that principled analysis, this article identifies important limiting conditions on the expansion of agency challenges to previously reviewed and cleared mergers, both generally and with respect to the targeted technology mergers in particular.

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