Potential Competition, Nascent Competitors, and Killer Acquisitions
John M. Yun
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INTRODUCTION
Assessing the competitive impact of acquisitions is an integral part of antitrust
enforcement. In fact, there is probably no other area of antitrust enforcement that is as
well-developed and formalized as the review of mergers and acquisitions.
Recently,
however, there has been a great deal of attention given to a certain category of
acquisitions—namely, the acquisition of potential competitors and nascent competitive
threats.
Relatedly, there is a concern that, post-acquisition, the acquiring firm will
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This chapter is based, in part, on written testimony provided on September 24, 2019, before the
Subcommittee on Antitrust, Competition Policy, and Consumer Rights of the U.S. Senate Committee on
the Judiciary for a hearing entitled, Competition in Digital Technology Markets: Examining Acquisitions
of Nascent or Potential Competitors by Digital Platforms. The testimony was reprinted as Potential
Competition and Nascent Competitors, 4 CRITERION J. ON INNOVATION 625 (2019). I thank Joshua Wright for
providing valuable comments and Scalia Law student Rachel Burke for excellent research assistance.
See, for example, U.S. DEP’T OF JUSTICE & FED. TRADE COMM’N, HORIZONTAL MERGER GUIDELINES (2010),
https://www.justice.gov/atr/horizontal-merger-guidelines-08192010 [hereinafter Horizontal Merger
Guidelines], which is based on a strong legacy of prior merger guidelines including major revisions in 1982
and 1992.
See, e.g., AUSTL. COMPETITION & CONSUMER COMM’N, DIGITAL PLATFORMS INQUIRY FINAL REPORT 10 (2019),
https://www.accc.gov.au/system/files/Digital%20platforms%20inquiry%20-%20final%20report.pdf
[hereinafter ACCC Report] (“. . . a range of factors contributed to each of Google’s and Facebook’s dominant
positions in their respective markets. The acquisition of potential competitors by the dominant firms and
economies of scope created via control of data sets are two such factors.”); DIRECTORATE-GENERAL FOR
COMPETITION, EUR. COMM’N, COMPETITION POLICY FOR THE DIGITAL ERA 111 (2019) [hereinafter Crémer
Report], https://ec.europa.eu/competition/publications/reports/kd0419345enn.pdf (“Concerns may,
however, arise notably when such acquisitions result in a strengthening of dominance and thereby a
significant impediment of effective competition, e.g. by eliminating a competitive threat and/or by raising
barriers to entry for other (potential) competitors, thus further reducing the risk of attacks on a strongly
entrenched market position from the fringe.”); DIGITAL COMPETITION EXPERT PANEL, UNLOCKING DIGITAL
COMPETITION (2019) [hereinafter Furman Report], https://assets.publishing.service.gov.uk/government
/uploads/system/uploads/attachment_data/file/785547/unlocking_digital_competition_furman_review_w
eb.pdf (“. . . digital mergers are also more likely to involve theories of harm which relate to elimination of
potential competitors or harming innovation.”); STIGLER CTR., STIGLER COMM. ON DIGITAL PLATFORMS,
FINAL REPORT 111 (2019) [hereinafter Stigler Report], https://research.chicagobooth.edu/-
/media/research/stigler/pdfs/digital-platforms---committee-report---stigler-center.pdf (“The behavior that
may be of greatest concern to the many policymakers studying powerful digital businesses is their
Electronic copy available at: https://ssrn.com/abstract=3733716
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