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The Price Impact of Institutional Herding

The Price Impact of Institutional Herding We develop a simple model of the price impact of institutional herding. The empirical literature indicates that institutional herding positively predicts short-term returns but negatively predicts long-term returns. We offer a theoretical resolution to this dichotomy. In our model, career-concerned money managers trade with security dealers endowed with market power and exhibit an endogenous tendency to imitate past trades. This tendency is exploited by dealers and thus affects prices. In equilibrium, institutional herding positively predicts short-term returns but negatively predicts long-term returns. Our article also generates several new, testable predictions that link institutional herding with the time-series properties of returns and volume. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Review of Financial Studies Oxford University Press

The Price Impact of Institutional Herding

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Publisher
Oxford University Press
Copyright
© The Author 2011. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: journals.permissions@oup.com.
ISSN
0893-9454
eISSN
1465-7368
DOI
10.1093/rfs/hhq137
Publisher site
See Article on Publisher Site

Abstract

We develop a simple model of the price impact of institutional herding. The empirical literature indicates that institutional herding positively predicts short-term returns but negatively predicts long-term returns. We offer a theoretical resolution to this dichotomy. In our model, career-concerned money managers trade with security dealers endowed with market power and exhibit an endogenous tendency to imitate past trades. This tendency is exploited by dealers and thus affects prices. In equilibrium, institutional herding positively predicts short-term returns but negatively predicts long-term returns. Our article also generates several new, testable predictions that link institutional herding with the time-series properties of returns and volume.

Journal

The Review of Financial StudiesOxford University Press

Published: Mar 28, 2011

Keywords: JEL G00 G20

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