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Antitrust Error Costs, Herbert J. Hovenkamp
Antitrust Error Costs, Herbert J. Hovenkamp
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The idea that consideration of error costs should inform judgments about actions with uncertain consequences is well established. When we act on imperfect information, we consider not only the probability of an event, but also the expected costs of making an error. In 1984 Frank Easterbrook used this idea to rationalize an anti-enforcement bias in antitrust, reasoning that markets are likely to correct monopoly in a relatively short time while judicial errors are likely to persist. As a result, false positives (recognizing a problem when there is none) are more costly than false negatives. While the problem of error cost …
Competitive Harm From Vertical Mergers, Herbert J. Hovenkamp
Competitive Harm From Vertical Mergers, Herbert J. Hovenkamp
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The antitrust enforcement Agencies' 2020 Vertical Merger Guidelines introduce a nontechnical application of bargaining theory into the assessment of competitive effects from vertical acquisitions. The economics of such bargaining is complex and can produce skepticism among judges, who might regard its mathematics as overly technical, its game theory as excessively theoretical or speculative, or its assumptions as unrealistic.
However, we have been there before. The introduction of concentration indexes, particularly the HHI, in the Merger Guidelines was initially met with skepticism but gradually they were accepted as judges became more comfortable with them. The same thing very largely happened again …
Prophylactic Merger Policy, Herbert J. Hovenkamp
Prophylactic Merger Policy, Herbert J. Hovenkamp
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An important purpose of the antitrust merger law is to arrest certain anticompetitive practices or outcomes in their “incipiency.” Many Clayton Act decisions involving both mergers and other practices had recognized the idea as early as the 1920s. In Brown Shoe the Supreme Court doubled down on the idea, attributing to Congress a concern about a “rising tide of economic concentration” that must be halted “at its outset and before it gathered momentum.” The Supreme Court did not explain why an incipiency test was needed to address this particular problem. Once structural thresholds for identifying problematic mergers are identified there …
Appraising Merger Efficiencies, Herbert J. Hovenkamp
Appraising Merger Efficiencies, Herbert J. Hovenkamp
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Mergers of business firms violate the antitrust laws when they threaten to lessen competition, which generally refers to a price increase resulting from a reduction in output. However, a merger that threatens competition may also enable the post-merger firm to reduce its costs or improve its product. Attitudes toward mergers are heavily driven by assumptions about efficiency gains. If mergers of competitors never produced efficiency gains but simply reduced the number of competitors, a strong presumption against them would be warranted. We tolerate most mergers because of a background, highly generalized belief that most or at least many produce cost …
Antitrust Balancing, Herbert J. Hovenkamp
Antitrust Balancing, Herbert J. Hovenkamp
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Antitrust litigation often confronts situations where effects point in both directions. Judges sometimes describe the process of evaluating these factors as “balancing.” In its e-Books decision the Second Circuit believed that the need to balance is what justifies application of the rule of reason. In Microsoft the D.C. Circuit stated that “courts routinely apply a…balancing approach” under which “the plaintiff must demonstrate that the anticompetitive harm…outweighs the procompetitive benefit.” But then it decided the case without balancing anything.
The term “balancing” is a very poor label for what courts actually do in these cases. Balancing requires that two offsetting effects …
Re-Imagining Antitrust: The Revisionist Work Of Richard S. Markovits, Herbert J. Hovenkamp
Re-Imagining Antitrust: The Revisionist Work Of Richard S. Markovits, Herbert J. Hovenkamp
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This review discusses Richard Markovits’ two volume book "Economics and the Interpretation" and "Application of U.S. and E.U. Antitrust Law" (2014), focusing mainly on Markovits’ approaches to antitrust tests of illegality, pricing offenses, market definition and the assessment of market power, and his important work anticipating unilateral effects theory in merger cases. Markovits argues forcefully that the Sherman and Clayton Acts were intended to employ different tests of illegality. As a result, even when they cover the same practices, such as mergers, exclusive dealing, or tying, they address them under different tests. He then shows how he would analyze various …