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Corruption in Professional Sumo: An Update on Duggan and Levitt's Study

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Author Info

  • Helmut Dietl

    ()
    (Institute for Strategy and Business Economics, University of Zurich)

  • Markus Lang

    ()
    (Institute for Strategy and Business Economics, University of Zurich)

  • Stephan Werner

    ()
    (Institute for Strategy and Business Economics, University of Zurich)

Abstract

In the December 2002 issue of the American Economic Review, Mark Duggan and Steven D. Levitt published an article on corruption in professional sumo. In the present paper, we update Duggan and Levitt's study to take into account changes since January 2000. We find strong statistical evidence that corruption is reduced after January 2000 but reappears in the period from 2003 to 2006. In addition, we can show that the non-linearity in the incentive structure disappears from 2000 to 2003 and reappears after 2003. These results confirm the findings of Duggan and Levitt, who suggest that the structure of promotion in rankings gives incentives to the sumo wrestlers to rig matches.

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File URL: http://repec.business.uzh.ch/RePEc/rsd/CRSA_WPS/19_CRSA_full.pdf
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Bibliographic Info

Paper provided by University of Zurich, Center for Research in Sports Administration (CRSA) in its series Working Papers with number 0019.

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Length: 14 pages
Date of creation: Jul 2008
Date of revision: Jun 2009
Handle: RePEc:rsd:wpaper:0019

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Related research

Keywords: Sumo wrestling; corruption; incentive scheme; social ties; monitoring;

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References

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  1. Mark Duggan & Steven D. Levitt, 2002. "Winning Isn't Everything: Corruption in Sumo Wrestling," American Economic Review, American Economic Association, vol. 92(5), pages 1594-1605, December.
  2. Dan Bernhardt & Steven Heston, 2010. "Point Shaving In College Basketball: A Cautionary Tale For Forensic Economics," Economic Inquiry, Western Economic Association International, vol. 48(1), pages 14-25, 01.
  3. Di Tella, Rafael & Schargrodsky, Ernesto, 2003. "The Role of Wages and Auditing during a Crackdown on Corruption in the City of Buenos Aires," Journal of Law and Economics, University of Chicago Press, vol. 46(1), pages 269-92, April.
  4. Brian A. Jacob & Steven D. Levitt, 2003. "Rotten Apples: An Investigation of the Prevalence and Predictors of Teacher Cheating," NBER Working Papers 9413, National Bureau of Economic Research, Inc.
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