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Fighting Collusion in Tournaments

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  • Chen, Zhijun

Abstract

This paper proposes a new approach of fighting collusion in tournaments which sheds light on the principle of divide and conquer: the principal can benefit from manipulating information revelation, by which he brings asymmetric information between the agents and thus creates a distortion of efficiency in the coalition. We employ a simple tournament setting where, due to perfect collusion, the efficient effort levels are impossible to be implemented through simple mechanisms. We propose a sophisticated mechanism with a biased promotion rule that allows the principal to manipulate the revelation of information and make asymmetric information between the agents, which brings trade-offs between rent-extraction and distortion of efficiency into the coalition. We show that, it is possible to implement efficient effort levels under the sophisticated mechanism. JEL Classification: C72, D82

Suggested Citation

  • Chen, Zhijun, 2006. "Fighting Collusion in Tournaments," MPRA Paper 872, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:872
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    References listed on IDEAS

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    1. Itoh Hideshi, 1993. "Coalitions, Incentives, and Risk Sharing," Journal of Economic Theory, Elsevier, vol. 60(2), pages 410-427, August.
    2. Lazear, Edward P & Rosen, Sherwin, 1981. "Rank-Order Tournaments as Optimum Labor Contracts," Journal of Political Economy, University of Chicago Press, vol. 89(5), pages 841-864, October.
    3. Zhijun Chen, 2005. "Divide and Conquer," Labor and Demography 0504012, University Library of Munich, Germany.
    4. Green, Jerry R & Stokey, Nancy L, 1983. "A Comparison of Tournaments and Contracts," Journal of Political Economy, University of Chicago Press, vol. 91(3), pages 349-364, June.
    5. Jean-Jacques Laffont & David Martimort, 1997. "Collusion under Asymmetric Information," Econometrica, Econometric Society, vol. 65(4), pages 875-912, July.
    6. Jean-Jacques Laffont & David Martimort, 2000. "Mechanism Design with Collusion and Correlation," Econometrica, Econometric Society, vol. 68(2), pages 309-342, March.
    7. Myerson, Roger B., 1982. "Optimal coordination mechanisms in generalized principal-agent problems," Journal of Mathematical Economics, Elsevier, vol. 10(1), pages 67-81, June.
    8. Ishiguro, Shingo, 2004. "Collusion and discrimination in organizations," Journal of Economic Theory, Elsevier, vol. 116(2), pages 357-369, June.
    9. Tirole, Jean, 1986. "Hierarchies and Bureaucracies: On the Role of Collusion in Organizations," The Journal of Law, Economics, and Organization, Oxford University Press, vol. 2(2), pages 181-214, Fall.
    10. Chen, Zhijun, 2006. "Private Enforcement against Collusion in Mechanism Design," MPRA Paper 873, University Library of Munich, Germany.
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    Cited by:

    1. Ottone, Stefania & Ponzano, Ferruccio, 2010. "Competition and cooperation in markets. The experimental case of a winner-take-all setting," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 39(2), pages 163-170, April.
    2. Kräkel, Matthias & Schöttner, Anja, 2010. "Technology choice, relative performance pay, and worker heterogeneity," Journal of Economic Behavior & Organization, Elsevier, vol. 76(3), pages 748-758, December.
    3. Oliver Gürtler, 2010. "Collusion in homogeneous and heterogeneous tournaments," Journal of Economics, Springer, vol. 100(3), pages 265-280, July.
    4. Kräkel, Matthias & Schöttner, Anja, 2010. "Technology Choice and Incentives under Relative Performance Schemes," Bonn Econ Discussion Papers 10/2010, University of Bonn, Bonn Graduate School of Economics (BGSE).

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    More about this item

    Keywords

    collusion; tournament;

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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