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Corruption in professional sumo: An update on the study of Duggan and Levitt


Dietl, H; Lang, M; Werner, S K (2010). Corruption in professional sumo: An update on the study of Duggan and Levitt. Journal of Sports Economics, 11(4):383-396.

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 article, the authors update the study of Duggan and Levitt to take into
account changes since January 2000. The authors find strong statistical evidence
that corruption is reduced after January 2000 but reappears in the period from
2003 to 2006. In addition, they can show that the nonlinearity 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.

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 article, the authors update the study of Duggan and Levitt to take into
account changes since January 2000. The authors find strong statistical evidence
that corruption is reduced after January 2000 but reappears in the period from
2003 to 2006. In addition, they can show that the nonlinearity 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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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:03 Faculty of Economics > Department of Business Administration
Dewey Decimal Classification:330 Economics
Language:English
Date:1 August 2010
Deposited On:10 Feb 2011 07:13
Last Modified:05 Apr 2016 14:31
Publisher:Sage Publications
ISSN:1527-0025
Publisher DOI:10.1177/1527002509349028
Permanent URL: http://doi.org/10.5167/uzh-41196

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