Defining Markets for Merger Analysis

The 1982 and 1984 Department of Justice Merger Guidelines attempted to eliminate arbitrary market definitions in favor of a principled method that could be applied uniformly across industries. Despite the assistance provided by the guidelines, market definition remains a difficult part of antitrust...

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Veröffentlicht in:Antitrust bulletin 1991-10, Vol.36 (3), p.599-640
Hauptverfasser: Morris, John R., Mosteller, Gale R.
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container_title Antitrust bulletin
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creator Morris, John R.
Mosteller, Gale R.
description The 1982 and 1984 Department of Justice Merger Guidelines attempted to eliminate arbitrary market definitions in favor of a principled method that could be applied uniformly across industries. Despite the assistance provided by the guidelines, market definition remains a difficult part of antitrust analysis, and investigators sometimes neglect the interaction of demand and supply factors. The guidelines' method for identifying the narrowest antitrust market where one or more firms could successfully exercise market power has come under attack from several sides. Given varying demand and supply conditions across industries, the size of an antitrust market should adjust to hold the incentive for anticompetitive behavior relatively constant across industries. The guidelines automatically make such an adjustment by balancing demand and supply factors in the determination of market size. Some other proposed methods do not properly make this adjustment.
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identifier ISSN: 0003-603X
ispartof Antitrust bulletin, 1991-10, Vol.36 (3), p.599-640
issn 0003-603X
1930-7969
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source HeinOnline Law Journal Library; SAGE Complete; Periodicals Index Online
subjects Acquisitions & mergers
Acquisitions and mergers
Analysis
Antitrust
Antitrust laws
Definitions
Industrial markets
Input output analysis
Market share
Methods
Studies
Supply & demand
title Defining Markets for Merger Analysis
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