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Dynamically Sabotage-Proof Tournaments

34 Pages Posted: 26 Mar 2012  

Junichiro Ishida

Osaka University - Institute of Social and Economic Research

Date Written: March 26, 2012


This paper explores the consequences of sabotage for the design of incentive contracts. The possibility of sabotage gives rise to a dynamic concern, similar to the Ratchet effect, which distorts the agents' incentives. We first show that the mere possibility of sabotage may make it impossible to implement the first-best effort, and then offer two distinct incentive schemes, fast track and late selection, to circumvent this problem. The present model offers a mechanism through which these two schemes arise in a unified framework.

Keywords: Sabotage, Tournament, Fast track, Late selection

JEL Classification: J41;M12.

Suggested Citation

Ishida, Junichiro, Dynamically Sabotage-Proof Tournaments (March 26, 2012). ISER Discussion Paper No. 838. Available at SSRN: or

Junichiro Ishida (Contact Author)

Osaka University - Institute of Social and Economic Research ( email )

6-1 Mihogaoka
Ibaraki, Osaka 567-0047

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