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An evolutionary CAPM under heterogeneous beliefs

  • Carl Chiarella
  • Roberto Dieci
  • Xue-Zhong He

    ()

  • Kai Li

Heterogeneity and evolutionary behaviour of investors are two of the most important characteristics of financial markets. This paper incorporates the adaptive behaviour of agents with heterogeneous beliefs and establishes an evolutionary capital asset pricing model (ECAPM) within the mean-variance framework. We show that the rational behaviour of agents switching to better-performing trading strategies can cause large deviations of the market price from the fundamental value of one asset to spill over to other assets. Also, this spill-over effect is associated with high trading volumes and persistent volatility characterized by significantly decaying autocorrelations of, and positive correlation between, price volatility and trading volume. Copyright Springer-Verlag Berlin Heidelberg 2013

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File URL: http://hdl.handle.net/10.1007/s10436-012-0215-0
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Article provided by Springer in its journal Annals of Finance.

Volume (Year): 9 (2013)
Issue (Month): 2 (May)
Pages: 185-215

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Handle: RePEc:kap:annfin:v:9:y:2013:i:2:p:185-215
Contact details of provider: Web page: http://www.springerlink.com/link.asp?id=112370

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