Mavericks, Mergers, and Exclusion: Proving Coordinated Competitive Effects under the Antitrust Laws

Title

Mavericks, Mergers, and Exclusion: Proving Coordinated Competitive Effects under the Antitrust Laws

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Description

Antitrust law has long been concerned that the loss of a firm, through merger or exclusion, may improve the prospects for tacit or express collusion in a concentrated market. In merger law, this perspective has been codified as a presumption of anticompetitive effect arising from high and increasing market concentration. Antitrust law’s structural presumption has been eroding in the courts, however, in part because its economic underpinnings increasingly are seen as unsettled. This article explains how coordinated competitive effects analysis can be reconstructed around the role of a maverick firm that constrains prices when industry coordination is incomplete. Providing this explanation helps distinguish precompetitive mergers from anticompetitive ones, and may aid in the analysis of alleged exclusion. It also provides a new economic justification for the structural presumption and points toward a continuing role for that presumption when the maverick cannot be identified or when it is not possible to determine the effect of a merger on the maverick’s incentives. The resulting approach to coordinated competitive effects analysis is illustrated with an extended example involving oligopoly conduct in the US passenger airline industry.

Publication Date

1-1-2008

Keywords

Antitrust law, Merger law, Anticompetitive effect, Coordinated competitive effects analysis, Oligopolies

Disciplines

Antitrust and Trade Regulation | Economics | Law | Law and Economics

Mavericks, Mergers, and Exclusion: Proving Coordinated Competitive Effects under the Antitrust Laws

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