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Speculating against an overconfident market

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Author Info
Jordi Caballe
Jozsef Sakovics ()

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Abstract

We distinguish two components of self-confidence in a financial market: private confidence measures the self-confidence level of speculators, while public confidence measures the confidence level they attribute to their competitors. We then study how independent changes in these components affect the equilibrium trading strategies. We conduct the analysis in a financial market with imperfect competition where investors submit limit orders. We calculate the unique linear symmetric equilibrium as well as the major indicators of the market. In addition to providing a partial explanation for the excess volatility of asset prices as well as for trading volume unexplained by the arrival of new information, our model highlights the differences between the effects of public versus private confidence.

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Publisher Info
Paper provided by Edinburgh School of Economics, University of Edinburgh in its series ESE Discussion Papers with number 62.

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Length: 37
Date of creation: Apr 2004
Date of revision:
Handle: RePEc:edn:esedps:62

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Related research
Keywords: overconfidence; financial markets; imperfect competition;

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Find related papers by JEL classification:
D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies
G12 - Financial Economics - - General Financial Markets - - - Asset Pricing

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Rochet, Jean-Charles & Vila, Jean-Luc, 1994. "Insider Trading without Normality," Review of Economic Studies, Blackwell Publishing, vol. 61(1), pages 131-52, January. [Downloadable!] (restricted)
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  2. Palomino, Frederic, 1996. " Noise Trading in Small Markets," Journal of Finance, American Finance Association, vol. 51(4), pages 1537-50, September. [Downloadable!] (restricted)
  3. Simon Gervais & Terrance Odean, . "Learning To Be Overconfident," Rodney L. White Center for Financial Research Working Papers 05-97, Wharton School Rodney L. White Center for Financial Research.
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  4. De Long, J Bradford & Andrei Shleifer & Lawrence H. Summers & Robert J. Waldmann, 1990. "Noise Trader Risk in Financial Markets," Journal of Political Economy, University of Chicago Press, vol. 98(4), pages 703-38, August. [Downloadable!] (restricted)
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  5. Dunne, T. & Roberts, M.J. & Samuelson, L., 1988. "Pattenrs Of Firm Entry And Exit In U.S. Manufacturing Industries," Papers 1-88-2, Pennsylvania State - Department of Economics.
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  6. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November. [Downloadable!] (restricted)
  7. Kent Daniel & David Hirshleifer & Avanidhar Subrahmanyam, 1998. "Investor Psychology and Security Market Under- and Overreactions," Journal of Finance, American Finance Association, vol. 53(6), pages 1839-1885, December. [Downloadable!] (restricted)
  8. Colin Camerer & Dan Lovallo, 1999. "Overconfidence and Excess Entry: An Experimental Approach," American Economic Review, American Economic Association, vol. 89(1), pages 306-318, March. [Downloadable!] (restricted)
  9. Roll, Richard, 1984. "Orange Juice and Weather," American Economic Review, American Economic Association, vol. 74(5), pages 861-80, December. [Downloadable!] (restricted)
  10. Kyle, Albert S, 1989. "Informed Speculation with Imperfect Competition," Review of Economic Studies, Blackwell Publishing, vol. 56(3), pages 317-55, July. [Downloadable!] (restricted)
  11. Anat R. Admati, Paul Pfleiderer, 1988. "A Theory of Intraday Patterns: Volume and Price Variability," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 1(1), pages 3-40. [Downloadable!] (restricted)
  12. Caballe, Jordi, 1992. "Market versus limit orders," Economics Letters, Elsevier, vol. 40(3), pages 339-344, November. [Downloadable!] (restricted)
  13. Heath, Chip & Tversky, Amos, 1991. " Preference and Belief: Ambiguity and Competence in Choice under Uncertainty," Journal of Risk and Uncertainty, Springer, vol. 4(1), pages 5-28, January.
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Glaser, Markus & Nöth, Markus & Weber, Martin, 2003. "Behavioral Finance," Sonderforschungsbereich 504 Publications 03-14, Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim. [Downloadable!]
  2. Dennis Dittrich & Werner Güth & Boris Maciejovsky, . "Overconfidence in Investment Decisions: An Experimental Approach," Papers on Strategic Interaction 2001-03, Max Planck Institute of Economics, Strategic Interaction Group. [Downloadable!]
    Other versions:
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