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Ambiguity Preferences and Portfolio Choices: Evidence from the Field

Author

Listed:
  • Milo Bianchi

    ()

  • Jean-Marc Tallon

    () (PSE - Paris School of Economics, PJSE - Paris Jourdan Sciences Economiques - UP1 - Université Panthéon-Sorbonne - ENS Paris - École normale supérieure - Paris - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique)

Abstract

We match administrative panel data on portfolio choices with survey data on preferences over ambiguity. We show that ambiguity averse investors bear more risk, due to a lack of diversification. In particular, they exhibit a form of home bias that leads to higher exposure to the domestic relative to the international stock market. While more sensitive to market factors, their returns are on average higher, suggesting that ambiguity averse investors need not be driven out of the market for risky assets. We also show that these investors rebalance their portfolio more actively and in a contrarian direction relative to past market trends, which allows them to keep their risk exposure relatively constant over time. We discuss these findings in relation to the theoretical literature on portfolio choice under ambiguity.

Suggested Citation

  • Milo Bianchi & Jean-Marc Tallon, 2019. "Ambiguity Preferences and Portfolio Choices: Evidence from the Field," Post-Print halshs-01886572, HAL.
  • Handle: RePEc:hal:journl:halshs-01886572
    Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-01886572
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    References listed on IDEAS

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    1. Levon Barseghyan & Francesca Molinari & Ted O'Donoghue & Joshua C. Teitelbaum, 2013. "The Nature of Risk Preferences: Evidence from Insurance Choices," American Economic Review, American Economic Association, vol. 103(6), pages 2499-2529, October.
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    7. Robert B. Barsky & F. Thomas Juster & Miles S. Kimball & Matthew D. Shapiro, 1997. "Preference Parameters and Behavioral Heterogeneity: An Experimental Approach in the Health and Retirement Study," The Quarterly Journal of Economics, Oxford University Press, vol. 112(2), pages 537-579.
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    9. Nicholas Barberis & Ming Huang & Richard H. Thaler, 2006. "Individual Preferences, Monetary Gambles, and Stock Market Participation: A Case for Narrow Framing," American Economic Review, American Economic Association, vol. 96(4), pages 1069-1090, September.
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    Citations

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    Cited by:

    1. Milo Bianchi, 2018. "Financial Literacy and Portfolio Dynamics," Journal of Finance, American Finance Association, vol. 73(2), pages 831-859, April.
    2. Meglena Jeleva & Jean-Marc Tallon, 2014. "Ambiguïté, comportements et marchés financiers," Post-Print halshs-01109639, HAL.
    3. Anantanasuwong, Kanin & Kouwenberg, Roy & Mitchell, Olivia S & Peijnenburg, Kim, 2019. "Ambiguity Attitudes about Investments: Evidence from the Field," CEPR Discussion Papers 13518, C.E.P.R. Discussion Papers.
    4. Jim Engle-Warnick & Diego Pulido & Marine de Montaignac, 2016. "Trust, ambiguity, and financial decision-making," CIRANO Working Papers 2016s-44, CIRANO.
    5. Sujoy Mukerji & Han Ozsoylev & Jean-Marc Tallon, 2018. "Trading ambiguity: a tale of two heterogeneities," Working Papers halshs-01935319, HAL.
    6. Jeleva, Meglena & Tallon, Jean-Marc, 2016. "Ambiguïté, comportements et marchés financiers," L'Actualité Economique, Société Canadienne de Science Economique, vol. 92(1-2), pages 351-383, Mars-Juin.
    7. Antoine Billot & Jean-Marc Tallon & Sujoy Mukerji, 2019. "Market Allocations under Ambiguity: A Survey," PSE Working Papers halshs-02173491, HAL.
    8. John Griffin, 2015. "Risk Premia and Knightian Uncertainty in an Experimental Market Featuring a Long-Lived Asset," Fordham Economics Discussion Paper Series dp2015-01, Fordham University, Department of Economics.
    9. John Griffin, 2015. "Risk Premia and Knightian Uncertainty in an Experimental Market Featuring a Long-Lived Asset," Fordham Economics Discussion Paper Series dp2015-01er:dp2015-01, Fordham University, Department of Economics.
    10. repec:kap:jrisku:v:54:y:2017:i:3:d:10.1007_s11166-017-9262-2 is not listed on IDEAS

    More about this item

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty

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