Law Commons^™

Market Power In Antitrust, George A. Hay

George A. Hay

The concept of market power is at the core of antitrust. Philosophically, antitrust policy is aimed primarily at preventing firms from achieving, retaining, or abusing market power. Operationally, assessing whether a firm or firms have market power or any reasonable prospect for achieving it is often the first (and sometimes, the only) step in performing an antitrust analysis. Few would dispute that market power should play a prominent role in antitrust analysis. Nevertheless, important questions remain. Some of these questions quite naturally focus on the precise degree of importance given to market power. Is it an essential ingredient in antitrust …

Market Power Without Market Definition, Daniel A. Crane

Articles

Antitrust law has traditionally required proof of market power in most cases and has analyzed market power through a market definition/market share lens. In recent years, this indirect or structural approach to proving market power has come under attack as misguided in practice and intellectually incoherent. If market definition collapses in the courts and antitrust agencies, as it seems poised to do, this will rupture antitrust analysis and create urgent pressures for an alternative approach to proving market power through direct evidence. None of the leading theoretic approaches—such as the Lerner Index or a search for supracompetitive profits—provides a robust …

An Instrumental Theory Of Market Power And Antitrust Policy, Jeffrey L. Harrison

Jeffrey L Harrison

Since Judge Hand's pivotal opinion in United States v. Aluminum Company of America (Alcoa), the possession of monopoly power has been treated as presumptively legal. The focus of the antitrust laws since then has been on defining when that power is abused. This approach to market power cannot be squared with the prevailing view that antitrust law is grounded in economic theory. To understand why, one must see market power for what it is: the ability of a firm to raise prices above competitive levels and to profitably keep them there. Seen in this light, market power is indistinguishable from …

Implementing Antitrust's Welfare Goals, Herbert J. Hovenkamp

All Faculty Scholarship

United States antitrust policy is said to promote some version of economic welfare. Antitrust promotes allocative efficiency by ensuring that markets are as competitive as they can practicably be, and that firms do not face unreasonable roadblocks to attaining productive efficiency, which refers to both cost minimization and innovation. One important welfare debate is whether antitrust should adopt a “consumer welfare” principle rather than a more general “total welfare” principle.

The simple version of the consumer welfare test is not a balancing test. If consumers are harmed by reduced output or higher prices resulting from the exercise of market power, …

Harm To Competition Under The 2010 Horizontal Merger Guidelines, Herbert J. Hovenkamp

All Faculty Scholarship

In August, 2010, the Antitrust Division and the Federal Trade Commission issued new Guidelines for assessing the competitive effects of horizontal mergers under the antitrust laws. These Guidelines were long awaited not merely because of the lengthy interval between them and previous Guidelines but also because enforcement policy had drifted far from the standards articulated in the previous Guidelines. The 2010 Guidelines are distinctive mainly for two things. One is briefer and less detailed treatment of market delineation. The other is an expanded set of theories of harm that justify preventing mergers or reversing mergers that have already occurred.

The …

After Search Neutrality: Drawing A Line Between Promotion And Demotion, Daniel A. Crane

Articles

The Federal Trade Commission's (“FTC” or “the commission”) January 3, 2013 decision to close its longstanding investigation of Google1 brings to a close a flurry of discussion over the possibility that Google could become subject to a “search neutrality” principle in the United States. Although the Commission found against Google on several grounds, it rejected petitions from Google's critics to create a search neutrality principle as a matter of antitrust law. This essay briefly analyzes what remains of U.S. antitrust scrutiny of Internet search bias after the Google settlement. In particular, it suggests that a sensible line can be drawn …