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The Effect of Prior Choices on Expectations and Subsequent Portfolio Decisions

Author

Listed:
  • Camelia M. Kuhnen
  • Sarah Rudorf
  • Bernd Weber

Abstract

We document that prior portfolio choices influence investors' expectations about asset values, and their future choices. We find that people update more from information consistent with their prior choices, leading to sticky portfolios over time. These effects are related to how the brain's valuation centers encode new information about assets and about the trader's own success. These findings provide microfoundations for theoretical models where agents learn jointly about their skill and about asset values, leading to disagreement, and offer a common explanation for several puzzling investor behaviors, specifically, households' low stock market participation rate, and the disposition and repurchase effects.

Suggested Citation

  • Camelia M. Kuhnen & Sarah Rudorf & Bernd Weber, 2017. "The Effect of Prior Choices on Expectations and Subsequent Portfolio Decisions," NBER Working Papers 23438, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:23438
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    Cited by:

    1. Christopher Roth & Johannes Wohlfart, 2020. "How Do Expectations about the Macroeconomy Affect Personal Expectations and Behavior?," The Review of Economics and Statistics, MIT Press, vol. 102(4), pages 731-748, October.
    2. Bernard, Sabine & Loos, Benjamin & Weber, Martin, 2021. "The disposition effect in boom and bust markets," SAFE Working Paper Series 305, Leibniz Institute for Financial Research SAFE.
    3. Heinke, Steve & Olschewski, Sebastian & Rieskamp, Jörg, 2022. "Experiences and Asset Price Dynamics," VfS Annual Conference 2022 (Basel): Big Data in Economics 264017, Verein für Socialpolitik / German Economic Association.
    4. Rüdiger Weber & Annika Weber & Christine Laudenbach & Johannes Wohlfart, 2021. "Beliefs About the Stock Market and Investment Choices: Evidence from a Field Experiment," CEBI working paper series 21-17, University of Copenhagen. Department of Economics. The Center for Economic Behavior and Inequality (CEBI).
    5. Bu, Di & Hanspal, Tobin & Liao, Yin & Liu, Yong, 2021. "Risk taking, preferences, and beliefs: Evidence from Wuhan," SAFE Working Paper Series 301, Leibniz Institute for Financial Research SAFE.
    6. Christine Laudenbach & Annika Weber & Johannes Wohlfart, 2021. "Beliefs About the Stock Market and Investment Choices: Evidence from a Field Experiment," ECONtribute Discussion Papers Series 128, University of Bonn and University of Cologne, Germany.

    More about this item

    JEL classification:

    • G02 - Financial Economics - - General - - - Behavioral Finance: Underlying Principles
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions

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