Abstract

http://ssrn.com/abstract=570381
 
 

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Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements


Malcolm P. Baker


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

Lubomir P. Litov


University of Arizona - Department of Finance; University of Pennsylvania - Wharton Financial Institutions Center

Jessica A. Wachter


University of Pennsylvania - Finance Department; National Bureau of Economic Research (NBER)

Jeffrey Wurgler


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

November 13, 2007


Abstract:     
We consider measures of stock-picking skill of mutual fund managers based on the earnings announcement returns of the stocks that they hold and trade. Relative to standard approaches, this approach focuses on an especially informative subset of the returns data, potentially increasing power to detect skilled trading, and also sheds light on the sources of skilled trading. We find that the average fund's recent buys significantly outperform its recent sells around subsequent earnings announcements. We find that mutual fund trades also forecast EPS surprises. The point estimates suggest that skilled trading around earnings announcements, deriving from an ability to forecast economic fundamentals, represents a disproportionate fraction of the total abnormal returns to skilled trading by mutual funds estimated in prior work.

Number of Pages in PDF File: 29

Keywords: Mutual fund, performance evaluation

JEL Classification: G2, G12, G14

working papers series





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Date posted: March 3, 2005 ; Last revised: December 13, 2011

Suggested Citation

Baker, Malcolm P. and Litov, Lubomir P. and Wachter, Jessica A. and Wurgler, Jeffrey, Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements (November 13, 2007). Available at SSRN: http://ssrn.com/abstract=570381 or http://dx.doi.org/10.2139/ssrn.570381

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
Lubomir P. Litov
University of Arizona - Department of Finance ( email )
McClelland Hall
P.O. Box 210108
Tucson, AZ 85721-0108
United States
520-621-3794 (Phone)
University of Pennsylvania - Wharton Financial Institutions Center
2306 Steinberg Hall-Dietrich Hall
3620 Locust Walk
Philadelphia, PA 19104
United States

Jessica A. Wachter
University of Pennsylvania - Finance Department ( email )
The Wharton School
3620 Locust Walk
Philadelphia, PA 19104
United States
215-898-7634 (Phone)
215-898-6200 (Fax)

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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