David, Cesarini () (Department of Economics, Massachusetts Institute of Technology) Dawes, Christopher T. () (Political Science Department, University of California, San Diego) Johannesson, Magnus () (Dept. of Economics, Stockholm School of Economics) Lichtenstein, Paul () (Department of Medical Epidemiology and Biostatistics, Karolinska Institutet) Wallace, Björn () (Dept. of Economics, Stockholm School of Economics)
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In this paper, we use the classical twin design to provide estimates of genetic and environmental influences on experimentally elicited preferences for risk and giving. Using standard methods from behavior genetics, we find strong prima facie evidence that these preferences are broadly heritable and our estimates suggest that genetic differences explain approximately twenty percent of individual variation. The results thus shed light on an important source of individual variation in preferences, a source which has hitherto largely been neglected in the economics literature.
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Length: 39 pages Date of creation: 22 Nov 2007 Date of revision:
12 Jan 2009 Publication status: Forthcoming in Quarterly Journal of Economics. Handle: RePEc:hhs:hastef:0679
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