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Collusion, Fluctuating Demand, And Price Rigidity

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Listed author(s):
  • Makoto Hanazono
  • Huanxing Yang

Abstract

We study an infinitely repeated Bertrand game in which an i.i.d. demand shock occurs in each period. Each firm receives a private signal about the demand shock at the beginning of each period. At the end of each period, all information but the private signals becomes public. We consider the optimal symmetric perfect public equilibrium (SPPE) mainly for patient firms. We show that price rigidity arises in the optimal SPPE if the accuracy of the private signals is low. We also study the implications of more firms and firms' impatience on collusive pricing. Copyright 2007 by the Economics Department Of The University Of Pennsylvania And Osaka University Institute Of Social And Economic Research Association.

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File URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j.1468-2354.2007.00435.x
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Article provided by Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association in its journal International Economic Review.

Volume (Year): 48 (2007)
Issue (Month): 2 (05)
Pages: 483-515

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Handle: RePEc:ier:iecrev:v:48:y:2007:i:2:p:483-515
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Find related papers by JEL classification:
  • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
  • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
  • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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Cited by:

  1. Garrod, Luke, 2012. "Collusive price rigidity under price-matching punishments," International Journal of Industrial Organization, Elsevier, vol. 30(5), pages 471-482.
  2. Luke, Garrod & Matthew, Olczak, 2016. "Collusion under Imperfect Monitoring with Asymmetric Firms," MPRA Paper 70647, University Library of Munich, Germany.
  3. Bagwell Kyle & Lee Gea M., 2010. "Advertising Collusion in Retail Markets," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 10(1), pages 1-54, August.
  4. Lee, Gea M., 2010. "Optimal collusion with internal contracting," Games and Economic Behavior, Elsevier, vol. 68(2), pages 646-669, March.
  5. Harrington, Joseph E., 2017. "A theory of collusion with partial mutual understanding," Research in Economics, Elsevier, vol. 71(1), pages 140-158.
  6. Harrington, Joseph E. & Zhao, Wei, 2012. "Signaling and tacit collusion in an infinitely repeated Prisoners’ Dilemma," Mathematical Social Sciences, Elsevier, vol. 64(3), pages 277-289.
  7. Joseph E. Harrington, Jr. & Wei Zhao, 2012. "Signaling and Tacit Collusion in an Infinitely Repeated Prisoners' Dilemma," Economics Working Paper Archive 587, The Johns Hopkins University,Department of Economics.
  8. Mamello Nchake, Lawrence Edwards and Asha Sundaram, 2015. "Price-setting Behavior and Competition in Developing Countries: An Analysis of Retail Outlets in Lesotho," Working Papers 567, Economic Research Southern Africa.
  9. Joseph E. Harrington, Jr., 2012. "A Theory of Tacit Collusion," Economics Working Paper Archive 588, The Johns Hopkins University,Department of Economics.
  10. Wang, Chengsi & Zudenkova, Galina, 2016. "Non-monotonic group-size effect in repeated provision of public goods," European Economic Review, Elsevier, vol. 89(C), pages 116-128.
  11. Gerlach, Heiko, 2009. "Stochastic market sharing, partial communication and collusion," International Journal of Industrial Organization, Elsevier, vol. 27(6), pages 655-666, November.
  12. Malcomson, James M., 2015. "Relational incentive contracts with productivity shocks," Games and Economic Behavior, Elsevier, vol. 92(C), pages 122-137.
  13. Joseph E. Harrington, Jr, 2005. "Detecting Cartels," Economics Working Paper Archive 526, The Johns Hopkins University,Department of Economics.
  14. Joseph E. Harrington, Jr. & Wei Zhao, 2010. "Signaling and Tacit Collusion in an Infinitely Repeated Prisoners' Dilemma," Economics Working Paper Archive 559, The Johns Hopkins University,Department of Economics.

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