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Science 15 February 2008:
Vol. 319. no. 5865, pp. 909 - 910
DOI: 10.1126/science.1153640
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Perspectives

ECONOMICS:
Homo economicus Evolves

Steven D. Levitt and John A. List

Economic models can benefit from incorporating insights from psychology, but behavior in the lab might be a poor guide to real-world behavior.

The authors are in the Department of Economics, University of Chicago, Chicago, IL 60637, USA. E-mail: jlist{at}uchicago.edu

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Science. ISSN 0036-8075 (print), 1095-9203 (online)