Risk Aversion and Herd Behavior in Financial Markets

Jean-Paul Décamps and Stefano Lovo

Working Papers from HAL

Abstract: We show that differences in investors risk aversion can generate herd behavior in stock markets where assets are traded sequentially. This in turn prevents markets from being efficient in the sense that Þnancial market prices do not converge to the asset's fundamental value. The informational efficiency of the market depends on the distribution of the risky asset across risk averse agents. These results are obtained without introducing multidimensional uncertainty.

Keywords: herd behavior; stock markets; efficiency (search for similar items in EconPapers)
Date: 2002-05-14
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Published in 2002

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Related works:
Working Paper: Risk Aversion and Herd Behavior in Financial Markets (2003)
Working Paper: Risk aversion and herd behavior in financial markets (2002)
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