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Speculating against an overconfident market

  • Caballe, Jordi
  • Sakovics, Jozsef

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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Article provided by Elsevier in its journal Journal of Financial Markets.

Volume (Year): 6 (2003)
Issue (Month): 2 (April)
Pages: 199-225

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Handle: RePEc:eee:finmar:v:6:y:2003:i:2:p:199-225
Contact details of provider: Web page: http://www.elsevier.com/locate/finmar

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