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A fundamental economic reconstruction of merger analysis to strengthen our ability to determine mergers’ likely effects and improve merger regulation.
Why rethink merger analysis? Because methods employed throughout the world violate basic precepts of decision analysis and economics. Fundamental principles are underdeveloped, inhibiting research, policy formulation, and merger review. In
Correct economic analysis of anticompetitive effects sharply conflicts with the reigning market definition paradigm. This protocol is more deeply flawed than appreciated, readily produces large errors, and can result in uncertainty bounds on challenge thresholds of two orders of magnitude. Merger efficiencies are underanalyzed because of the failure to draw on relevant disciplines and pertinent industry expertise. Postmerger entry’s role is mischaracterized in merger guidelines, and its direct welfare effects are ignored. Entry induced by the prospect of a subsequent buyout has until recently been disregarded. Proper assessment requires a dynamic framing that accounts for a merger regime’s influence on the creation and capabilities of new generations of startups that are central to economic dynamism.
This book eschews advocacy and instead focuses on clear thinking—indeed, rethinking—about how to improve merger policy and assessment.
