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Ego Utility, Overconfidence, and Task Choice

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  • Botond Köszegi

Abstract

This paper models behavior when a decision maker cares about and manages her self-image. In addition to having preferences over material outcomes, the agent derives “ego utility†from positive views about her ability to do well in a skill-sensitive, “ambitious,†task. Although she uses Bayes' rule to update beliefs, she tends to become overconfident regarding which task is appropriate for her. If tasks are equally informative about ability, her task choice is also overconfident. If the ambitious task is more informative about ability, she might initially display underconfidence in behavior, and, if she is disappointed by her performance, later become too ambitious. People with ego utility prefer to acquire free information in smaller pieces. Applications to employee motivation and other economic settings are discussed. (JEL: D83, D11) Copyright (c) 2006 by the European Economic Association.

Suggested Citation

  • Botond Köszegi, 2006. "Ego Utility, Overconfidence, and Task Choice," Journal of the European Economic Association, MIT Press, vol. 4(4), pages 673-707, June.
    • Handle: RePEc:tpr:jeurec:v:4:y:2006:i:4:p:673-707
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    More about this item

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory

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