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Evaluating Mergers for Coordinated Effects and the Role of 'Parallel Accommodating Conduct'

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  • Joseph E. Harrington, Jr.

Abstract

The 2010 Horizontal Merger Guidelines propose a form of coordinated effects, referred to as "parallel accommodating conduct," that is claimed not to involve the usual evaluation of the ability of firms to detect compliance and punish non-compliance with respect to supracompetitive prices. That claim is argued here to be false. Where the concept of parallel accommodating conduct is valid and constructive is in identifying coordinated effects that do not involve firms having an agreement. These issues are explored here in the context of a more general examination of how firms coordinate on and implement supracompetitive outcomes.

Suggested Citation

  • Joseph E. Harrington, Jr., 2012. "Evaluating Mergers for Coordinated Effects and the Role of 'Parallel Accommodating Conduct'," Economics Working Paper Archive 601, The Johns Hopkins University,Department of Economics.
  • Handle: RePEc:jhu:papers:601
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    References listed on IDEAS

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    4. Russell Cooper & Douglas V. DeJong & Robert Forsythe & Thomas W. Ross, 1989. "Communication in the Battle of the Sexes Game: Some Experimental Results," RAND Journal of Economics, The RAND Corporation, vol. 20(4), pages 568-587, Winter.
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    6. Christoph Engel, 2006. "How Much Collusion. A Meta-Analysis On Oligopoly Experiments," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2006_27, Max Planck Institute for Research on Collective Goods.
    7. Lu, Yuanzhu & Wright, Julian, 2010. "Tacit collusion with price-matching punishments," International Journal of Industrial Organization, Elsevier, vol. 28(3), pages 298-306, May.
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