Sticking with What (Barely) Worked
Abstract
Outcome bias occurs when an evaluator considers ex-post outcomes when judging whether a choice was correct, ex-ante. We formalize this cognitive bias in a simple model of distorted Bayesian updating. We then examine strategy changes made by professional football coaches. We find they are more likely to revise their strategy after a loss than a win — even for narrow losses, which are uninformative about future success. This increased revision following a loss occurs even when a loss was expected, and the offensive strategy is revised even when failure is attributable to the defense. These results are consistent with our model’s predictions.Download Info
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Bibliographic Info
Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 17477.Length:
Date of creation: Oct 2011
Date of revision:
Handle: RePEc:nbr:nberwo:17477
Note: LS
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Related research
Keywords:Find related papers by JEL classification:
- C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
- D03 - Microeconomics - - General - - - Behavioral Economics; Underlying Principles
- D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
- L83 - Industrial Organization - - Industry Studies: Services - - - Sports; Gambling; Recreation; Tourism
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-10-15 (All new papers)
- NEP-CBA-2011-10-15 (Central Banking)
References
References listed on IDEASPlease report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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- David Card & Gordon B. Dahl, 2011. "Family Violence and Football: The Effect of Unexpected Emotional Cues on Violent Behavior," The Quarterly Journal of Economics, Oxford University Press, vol. 126(1), pages 103-143.
- David Card & Gordon Dahl, 2009. "Family Violence and Football: The Effect of Unexpected Emotional Cues on Violent Behavior," RCER Working Papers 546, University of Rochester - Center for Economic Research (RCER).
- David Card & Gordon Dahl, 2009. "Family Violence and Football: The Effect of Unexpected Emotional Cues on Violent Behavior," NBER Working Papers 15497, National Bureau of Economic Research, Inc.
- Earl, P.E., 1990.
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1990-04, Tasmania - Department of Economics.
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