Law and Economics Commons^™

Recent Trends In Merger Enforcement In The United States: The Increasing Impact Of Economic Analysis, Robert H. Lande, James Langenfeld

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From its modern origins more than thirty years ago federal merger policy has centered around the use of standard surrogates for market power to make presumptions about the likely effects of mergers. Since that time it has been evolving towards an increasingly complex approach as economic considerations have expanded their influence on merger policy. This trend was solidified in the 1982 revision of the Department of Justice's Merger Guidelines, accelerated by the Department of Justice and Federal Trade Commission 1992 Horizontal Merger Guidelines' increased emphasis on unilateral (as opposed to collusive) anticompetitive effects, and has reached new heights in the …

Commentary: Implications Of Professor Scherer's Research For The Future Of Antitrust, Robert H. Lande

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One way to test the accuracy of Professor Scherer's research is to compare it to the best previous work in the area. Prior to his current article the best analysis of the state of economic thinking and knowledge during antitrust's formative period was presented twelve years ago by—Professor Scherer. This was a skeletal precurser to the well-documented version that he now presents, but his overall conclusions are identical. During the twelve years since his conclusions were presented in the Yale Law Journal no one has demonstrated that his research is in any way faulty or misleading, even though many have …

Monopoly Power And Market Power In Antitrust Law, Thomas G. Krattenmaker, Robert H. Lande, Steven C. Salop

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This article seeks an answer to a question that should be well settled: for purposes of antitrust analysis, what is 'market power' and/or 'monopoly power'? The question should be well settled because antitrust law requires proof of actual or likely market power or monopoly power to establish most types of antitrust violations.

Examination of key antitrust law opinions, however, shows that courts define 'market power' and 'monopoly power' in ways that are both vague and inconsistent. We conclude that the present level of confusion is unnecessary and results from two different but related errors:

(1) the belief or suspicion that …