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Hindsight Bias, Risk Perception, and Investment Performance

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  • Biais Bruno

    () (CRM - Centre de Recherche en Management - UT1 - Université Toulouse 1 Capitole - IAE - Institut d'Administration des Entreprises - Toulouse - CNRS - Centre National de la Recherche Scientifique)

  • Martin Weber

    ()

Abstract

Once they have observed information, hindsight-biased agents fail to remember how ignorant they were initially; "they knew it all along." We formulate a theoretical model of this bias, providing a foundation for empirical measures and implying that hindsight-biased agents learning about volatility will underestimate it. In an experiment involving 66 students from Mannheim University, we find that hindsight bias reduces volatility estimates. In another experiment, involving 85 investment bankers in London and Frankfurt, we find that more biased agents have lower performance. These findings are robust to differences in location, information, overconfidence, and experience

Suggested Citation

  • Biais Bruno & Martin Weber, 2009. "Hindsight Bias, Risk Perception, and Investment Performance," Post-Print halshs-00491137, HAL.
  • Handle: RePEc:hal:journl:halshs-00491137
    Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-00491137
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    1. Klayman, Joshua & Soll, Jack B. & Gonzalez-Vallejo, Claudia & Barlas, Sema, 1999. "Overconfidence: It Depends on How, What, and Whom You Ask, , , , , , , , ," Organizational Behavior and Human Decision Processes, Elsevier, vol. 79(3), pages 216-247, September.
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    5. Glaser, Markus & Langer, Thomas & Weber, Martin, 2005. "Overconfidence of Professionals and Lay Men: Individual Differences Within and Between Tasks?," Sonderforschungsbereich 504 Publications 05-25, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim.
    6. Bruno Biais & Denis Hilton & Karine Mazurier & Sébastien Pouget, 2005. "Judgemental Overconfidence, Self-Monitoring, and Trading Performance in an Experimental Financial Market," Review of Economic Studies, Oxford University Press, vol. 72(2), pages 287-312.
    7. Camerer, Colin F, 1987. "Do Biases in Probability Judgment Matter in Markets? Experimental Evidence," American Economic Review, American Economic Association, vol. 77(5), pages 981-997, December.
    8. John A. List, 2003. "Does Market Experience Eliminate Market Anomalies?," The Quarterly Journal of Economics, Oxford University Press, vol. 118(1), pages 41-71.
    9. Donald L. Keefer & Samuel E. Bodily, 1983. "Three-Point Approximations for Continuous Random Variables," Management Science, INFORMS, vol. 29(5), pages 595-609, May.
    10. Camerer, Colin & Loewenstein, George & Weber, Martin, 1989. "The Curse of Knowledge in Economic Settings: An Experimental Analysis," Journal of Political Economy, University of Chicago Press, vol. 97(5), pages 1232-1254, October.
    11. Weber, Martin & Mangelsdorff, Lukas, 1998. "Hindsight-Bias im Prinzipal-Agent-Kontext: Die Aktennotiz als Antwort?," Sonderforschungsbereich 504 Publications 98-03, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim.
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    Cited by:

    1. David Danz & Frank Hüber & Dorothea Kübler & Lydia Mechtenberg & Julia Schmid, 2013. "‘I'll do it by myself as I knew it all along’: On the failure of hindsight-biased principals to delegate optimally," SFB 649 Discussion Papers SFB649DP2013-009, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.
    2. Kristóf Madarász, 2015. "Projection Equilibrium: Definition and Applications to Social Investment and Persuasion," STICERD - Theoretical Economics Paper Series /2015/566, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
    3. Pikulina, Elena & Renneboog, Luc & Tobler, Philippe N., 2017. "Overconfidence and investment: An experimental approach," Journal of Corporate Finance, Elsevier, vol. 43(C), pages 175-192.
    4. Muehlfeld, Katrin & Weitzel, Utz & van Witteloostuijn, Arjen, 2013. "Fight or freeze? Individual differences in investors’ motivational systems and trading in experimental asset markets," Journal of Economic Psychology, Elsevier, vol. 34(C), pages 195-209.
    5. Pikulina, E.S. & Renneboog, L.D.R. & Tobler, P.N., 2014. "Overconfidence, Effort, and Investment (Revised version of CentER DP 2013-035)," Discussion Paper 2014-039, Tilburg University, Center for Economic Research.
    6. Egan, Daniel & Merkle, Christoph & Weber, Martin, 2014. "Second-order beliefs and the individual investor," Journal of Economic Behavior & Organization, Elsevier, vol. 107(PB), pages 652-666.
    7. repec:cep:stitep:566 is not listed on IDEAS
    8. Franses, Philip Hans & Legerstee, Rianne, 2013. "Do statistical forecasting models for SKU-level data benefit from including past expert knowledge?," International Journal of Forecasting, Elsevier, vol. 29(1), pages 80-87.
    9. Christmann, Robin, 2018. "Prosecution and Conviction under Hindsight Bias in Adversary Legal Systems," MPRA Paper 84870, University Library of Munich, Germany.
    10. Madarasz, Kristof, 2008. "Information projection: model and applications," MPRA Paper 38612, University Library of Munich, Germany, revised 2011.
    11. Alexis Direr, 2013. "Are betting markets efficient? Evidence from European Football Championships," Applied Economics, Taylor & Francis Journals, vol. 45(3), pages 343-356, January.
    12. Yevgeny Mugerman & Moran Ofir & Zvi Wiener, 2016. "How Do Homeowners Choose Between Fixed and Adjustable Rate Mortgages?," Quarterly Journal of Finance (QJF), World Scientific Publishing Co. Pte. Ltd., vol. 6(04), pages 1-21, December.

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