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Collusion Among Many Firms: The Disciplinary Power of Targeted Punishment

  • Catherine Roux
  • Christian Thöni

We explore targeted punishment as an explanation for collusion among many firms. In a series of Cournot oligopoly experiments with various numbers of firms, we compare production decisions with and without the possibility to target punishment at specific market participants. We find strong evidence that targeted punishment enables firms to establish and maintain collusion. More so, we find that the collusive effect of targeted punishment is even stronger in markets with more competitors, suggesting a reversal of the conventional wisdom that collusion is easier the fewer the firms.

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File URL: http://www.hec.unil.ch/deep/textes/13.02.pdf
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Paper provided by Université de Lausanne, Faculté des HEC, DEEP in its series Cahiers de Recherches Economiques du Département d'Econométrie et d'Economie politique (DEEP) with number 13.02.

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Length: 20 pages + appendix (total 25 pages)
Date of creation: Feb 2013
Date of revision:
Handle: RePEc:lau:crdeep:13.02
Contact details of provider: Postal: Université de Lausanne, Faculté des HEC, DEEP, Internef, CH-1015 Lausanne
Phone: ++41 21 692.33.64
Web page: http://www.hec.unil.ch/deep/publications/cahiers/series
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  1. Masclet, D. & Noussair, C. & Tucker, S. & Villeval, M.C., 2001. "Monetary and Non-monetary Punishment in the Voluntary Contributions Mechanism," Purdue University Economics Working Papers 1141, Purdue University, Department of Economics.
  2. Green, Edward J & Porter, Robert H, 1984. "Noncooperative Collusion under Imperfect Price Information," Econometrica, Econometric Society, vol. 52(1), pages 87-100, January.
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  8. Fraas, Arthur G & Greer, Douglas F, 1977. "Market Structure and Price Collusion: An Empirical Analysis," Journal of Industrial Economics, Wiley Blackwell, vol. 26(1), pages 21-44, September.
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  10. Thöni, Christian, 2011. "Inequality Aversion and Antisocial Punishment," Economics Working Paper Series 1111, University of St. Gallen, School of Economics and Political Science.
  11. Jeroen Hinloopen & Adriaan R. Soetevent, 2008. "Laboratory evidence on the effectiveness of corporate leniency programs," RAND Journal of Economics, RAND Corporation, vol. 39(2), pages 607-616.
  12. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer, vol. 10(2), pages 171-178, June.
  13. Fonseca, Miguel A. & Normann, Hans-Theo, 2012. "Explicit vs. tacit collusion—The impact of communication in oligopoly experiments," European Economic Review, Elsevier, vol. 56(8), pages 1759-1772.
  14. Posner, Richard A, 1970. "A Statistical Study of Antitrust Enforcement," Journal of Law and Economics, University of Chicago Press, vol. 13(2), pages 365-419, October.
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  16. Friedman, James W, 1971. "A Non-cooperative Equilibrium for Supergames," Review of Economic Studies, Wiley Blackwell, vol. 38(113), pages 1-12, January.
  17. Krattenmaker, Thomas G & Salop, Steven C, 1986. "Competition and Cooperation in the Market for Exclusionary Rights," American Economic Review, American Economic Association, vol. 76(2), pages 109-13, May.
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