Abstract

http://ssrn.com/abstract=962706
 
 

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Investor Sentiment in the Stock Market


Malcolm P. Baker


Harvard Business School; National Bureau of Economic Research (NBER)

Jeffrey Wurgler


NYU Stern School of Business; National Bureau of Economic Research (NBER)

February 12, 2007


Abstract:     
Real investors and markets are too complicated to be neatly summarized by a few selected biases and trading frictions. The "top down" approach to behavioral finance focuses on the measurement of reduced form, aggregate sentiment and traces its effects to stock returns. It builds on the two broader and more irrefutable assumptions of behavioral finance - sentiment and the limits to arbitrage - to explain which stocks are likely to be most affected by sentiment. In particular, stocks of low capitalization, younger, unprofitable, high volatility, non-dividend paying, growth companies, or stocks of firms in financial distress, are likely to be disproportionately sensitive to broad waves of investor sentiment. We review the theoretical and empirical evidence for these predictions.

Number of Pages in PDF File: 37

Keywords: stock market, sentiment, asset pricing, behavioral finance, behavioral economics

JEL Classification: E44, G12, G14

working papers series





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Date posted: February 14, 2007 ; Last revised: January 12, 2009

Suggested Citation

Baker, Malcolm P. and Wurgler, Jeffrey, Investor Sentiment in the Stock Market (February 12, 2007). Available at SSRN: http://ssrn.com/abstract=962706 or http://dx.doi.org/10.2139/ssrn.962706

Contact Information

Malcolm P. Baker
Harvard Business School ( email )
Boston, MA 02163
United States
617-495-6566 (Phone)
HOME PAGE: http://www.people.hbs.edu/mbaker
National Bureau of Economic Research (NBER)
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
Jeffrey A. Wurgler (Contact Author)
NYU Stern School of Business ( email )
Stern School of Business
44 West 4th Street, Suite 9-190
New York, NY 10012-1126
United States
212-998-0367 (Phone)
212-995-4233 (Fax)
HOME PAGE: http://www.stern.nyu.edu/~jwurgler/
National Bureau of Economic Research (NBER)
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
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