Herding and Contrarian Behavior in Financial Markets - An Internet Experiment

Andreas Roider, Mathias Drehmann and Jörg Oechssler

No 177, Royal Economic Society Annual Conference 2003 from Royal Economic Society

Abstract: We report results of an internet experiment designed to test the theory of informational cascades in financial markets. More than 6000 subjects, including a subsample of 267 consultants from an international consulting firm, participated in the experiment. As predicted by theory, we find that the presence of a flexible market price prevents herding. However, the presence of contrarian behavior, which can (partly) be rationalized via error models, distorts prices, and even after 20 decisions convergence to the fundamental value is rare. We also study the effects of transaction costs and the expectations of subjects with respect to future prices. Finally, we look at the behavior of various subsamples of our heterogeneous subject pool.

Keywords: herd behavior; informational cascades; contrarian investors; market efficiency; internet experiment (search for similar items in EconPapers)
JEL-codes: C99 D8 G12 G14 (search for similar items in EconPapers)
Date: 2003-06-04
New Economics Papers: this item is included in nep-cbe, nep-cfn, nep-exp, nep-fin and nep-rmg
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Related works:
Journal Article: Herding and Contrarian Behavior in Financial Markets: An Internet Experiment (2005)
Working Paper: Herding and Contrarian Behavior in Financial Markets - An Internet Experiment (2004)
Working Paper: Herding and Contrarian Behavior in Financial Markets - An Internet Experiment (2004)
Working Paper: Herding and Contrarian Behavior in Financial Markets: An Internet Experiment (2003)
Working Paper: Herding and Contrarian Behavior in Financial Markets - An Internet Experiment (2002)
Working Paper: Herding and Contrarian Behavior in Financial Markets - An Internet Experiment (2002)
Working Paper: Herding and Contrarian Behavior in Financial Markets: An Internet Experiment (2002)
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Persistent link: https://EconPapers.repec.org/RePEc:ecj:ac2003:177

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