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A note on risk aversion and herd behavior in financial markets

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  • Jean-Paul Decamps
  • Stefano Lovo

Abstract

We show that differences in market participants risk aversion can generate herd behavior in stock markets where assets are traded sequentially. This in turn prevents learning of market’s fundamentals. These results are obtained without introducing multidimensional uncertainty or transaction cost. Copyright Springer Science + Business Media, LLC 2006

Suggested Citation

  • Jean-Paul Decamps & Stefano Lovo, 2006. "A note on risk aversion and herd behavior in financial markets," The Geneva Papers on Risk and Insurance Theory, Springer;International Association for the Study of Insurance Economics (The Geneva Association), vol. 31(1), pages 35-42, July.
    • Handle: RePEc:kap:geneva:v:31:y:2006:i:1:p:35-42
    DOI: 10.1007/s10713-006-9466-x
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    References listed on IDEAS

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    1. Décamps, Jean-Paul & Lovo, Stefano, 2003. "Market Informational Inefficiency, Risk Aversion and Quantity Grid," IDEI Working Papers 177, Institut d'Économie Industrielle (IDEI), Toulouse.
    2. Cipriani Marco & Guarino Antonio, 2008. "Herd Behavior and Contagion in Financial Markets," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 8(1), pages 1-56, October.
    3. Avery, Christopher & Zemsky, Peter, 1998. "Multidimensional Uncertainty and Herd Behavior in Financial Markets," American Economic Review, American Economic Association, vol. 88(4), pages 724-748, September.
    4. Glosten, Lawrence R. & Milgrom, Paul R., 1985. "Bid, ask and transaction prices in a specialist market with heterogeneously informed traders," Journal of Financial Economics, Elsevier, vol. 14(1), pages 71-100, March.
    5. Ho, Thomas & Stoll, Hans R., 1981. "Optimal dealer pricing under transactions and return uncertainty," Journal of Financial Economics, Elsevier, vol. 9(1), pages 47-73, March.
    6. Bikhchandani, Sushil & Hirshleifer, David & Welch, Ivo, 1992. "A Theory of Fads, Fashion, Custom, and Cultural Change in Informational Cascades," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 992-1026, October.
    7. Abhijit V. Banerjee, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 107(3), pages 797-817.
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    Cited by:

    1. Christophe Bisière & Jean-Paul Décamps & Stefano Lovo, 2015. "Risk Attitude, Beliefs Updating, and the Information Content of Trades: An Experiment," Management Science, INFORMS, vol. 61(6), pages 1378-1397, June.
    2. Li, Ming-Yuan Leon, 2009. "Value or volume strategy?," Finance Research Letters, Elsevier, vol. 6(4), pages 210-218, December.
    3. Papavassiliou, Vassilios G. & Kinateder, Harald, 2021. "Information shares and market quality before and during the European sovereign debt crisis," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 72(C).
    4. Zhuo Qiao & Thomas C. Chiang & Lin Tan, 2014. "Empirical Investigation of the Causal Relationships Among Herding, Stock Market Returns, and Illiquidity: Evidence from Major Asian Markets," Review of Pacific Basin Financial Markets and Policies (RPBFMP), World Scientific Publishing Co. Pte. Ltd., vol. 17(03), pages 1-27.
    5. Astebro, Thomas B. & Lovo, Stefano & Fernandez Sierra, Manuel & Vulkan, Nir, 2017. "Herding in Equity Crowdfunding," HEC Research Papers Series 1245, HEC Paris, revised 04 Jun 2018.

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    Keywords

    Herd behavior; Risk aversion;

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