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Genetic Variation in Financial Decision-Making

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  • DAVID CESARINI
  • MAGNUS JOHANNESSON
  • PAUL LICHTENSTEIN
  • ÖRJAN SANDEWALL
  • BJÖRN WALLACE

Abstract

Individuals differ in how they construct their investment portfolios, yet empirical models of portfolio risk typically account only for a small portion of the cross-sectional variance. This paper asks whether genetic variation can explain some of these individual differences. Following a major pension reform Swedish adults had to form a portfolio from a large menu of funds. We match data on these investment decisions with the Swedish Twin Registry and find that approximately 25% of individual variation in portfolio risk is due to genetic variation. We also find that these results extend to several other aspects of financial decision-making. Copyright (c) 2010 the American Finance Association.

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Bibliographic Info

Article provided by American Finance Association in its journal The Journal of Finance.

Volume (Year): 65 (2010)
Issue (Month): 5 (October)
Pages: 1725-1754

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Handle: RePEc:bla:jfinan:v:65:y:2010:i:5:p:1725-1754

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Cited by:
  1. Alessandro Bucciol & Luca Zarri, 2013. "Financial Risk Aversion and Personal Life History," Working Papers 05/2013, University of Verona, Department of Economics.
  2. Guiso, Luigi & Sodini, Paolo, 2012. "Household Finance: An Emerging Field," CEPR Discussion Papers 8934, C.E.P.R. Discussion Papers.
  3. Loewen, Peter J. & Dawes, Christopher T. & Mazar, Nina & Johannesson, Magnus & Koellinger, Philipp & Magnusson, Patrik K.E., 2013. "The heritability of moral standards for everyday dishonesty," Journal of Economic Behavior & Organization, Elsevier, vol. 93(C), pages 363-366.
  4. Calvet, Laurent-Emmanuel & Sodini, Paolo, 2011. "Twin picks: disentangling the determinants of risk-taking in household portfolios," Les Cahiers de Recherche 948, HEC Paris.
  5. Dreber, Anna & Rand, David G. & Wernerfelt, Nils & Garcia, Justin R. & Lum, J. Koji & Zeckhauser, Richard, 2011. "The Dopamine Receptor D4 Gene (DRD4) and Self-Reported Risk Taking in the Economic Domain," Working Paper Series rwp11-042, Harvard University, John F. Kennedy School of Government.
  6. Burnham, Terence C., 2013. "Toward a neo-Darwinian synthesis of neoclassical and behavioral economics," Journal of Economic Behavior & Organization, Elsevier, vol. 90(S), pages S113-S127.
  7. Brian Lucey & Colm KEarney & Ciaran MacAnBhaird, . "Culture and capital structure in small and medium sized firms," The Institute for International Integration Studies Discussion Paper Series iiisdp419, IIIS.
  8. Grinblatt, Mark & Keloharju, Matti & Linnainmaa, Juhani T., 2012. "IQ, trading behavior, and performance," Journal of Financial Economics, Elsevier, vol. 104(2), pages 339-362.
  9. Varma, Jayanth R., . "Finance Teaching and Research after the Global Financial Crisis," IIMA Working Papers WP2011-03-02, Indian Institute of Management Ahmedabad, Research and Publication Department.
  10. Stenberg, Anders, 2013. "Interpreting estimates of heritability – A note on the twin decomposition," Economics & Human Biology, Elsevier, vol. 11(2), pages 201-205.
  11. Néstor Gandelman & Ana Balsa & Nicolás González, 2012. "Peer Effects in Risk Aversion," Development Research Working Paper Series 11/2012, Institute for Advanced Development Studies.
  12. Aggarwal, Raj & Kearney, Colm & Lucey, Brian, 2012. "Gravity and culture in foreign portfolio investment," Journal of Banking & Finance, Elsevier, vol. 36(2), pages 525-538.
  13. Hyytinen, Ari & Ilmakunnas, Pekka & Johansson, Edvard & Toivanen, Otto, 2013. "Heritability of Lifetime Income," MPRA Paper 46326, University Library of Munich, Germany.
  14. David Cesarini & Magnus Johannesson & Patrik K. E. Magnusson & Björn Wallace, 2012. "The Behavioral Genetics of Behavioral Anomalies," Management Science, INFORMS, vol. 58(1), pages 21-34, January.

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