Genetic Variation in Preferences for Giving and Risk Taking

  title={Genetic Variation in Preferences for Giving and Risk Taking},
  author={David Cesarini and Christopher T. Dawes and Magnus Johannesson and Paul Lichtenstein and Bj{\"o}rn Wallace and Terry Burnham and Bryan Caplan and Tore Ellingsen and James Fowler and Jon Gruber and Garett Jones and Moses Ndulu and Matthew J. Notowidigdo and Niels Rosenquist and Paul Schrimpf and Steven Pinker and Tino Sanandaji and {\"O}rjan Sandewall and Vernon Smith},
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… CONTINUE READING

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