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Measuring Market Power When The Firm Has Power In The Input And Output Markets, Keith N. Hylton, Mark Lasser
Measuring Market Power When The Firm Has Power In The Input And Output Markets, Keith N. Hylton, Mark Lasser
Faculty Scholarship
We examine the problem of measuring market power when the firm has monopoly power in the output market and monopsony power in the input market - a case we refer to as 'dual-market' power. We show how the Lerner index, which measures the mark-up over the marginal cost, can be modified to reflect the firm's ability to set price above the competitive level.
Recent Trends In Merger Enforcement In The United States: The Increasing Impact Of Economic Analysis, Robert H. Lande, James Langenfeld
Recent Trends In Merger Enforcement In The United States: The Increasing Impact Of Economic Analysis, Robert H. Lande, James Langenfeld
All Faculty Scholarship
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 …