Abstract

http://ssrn.com/abstract=452720
 
 

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Turning Over Turnover


Martijn Cremers


University of Notre Dame

Jianping Mei


New York University (NYU) - Department of Finance

November 2004

Yale ICF Working Paper No. 03-26; AFA 2005 Philadelphia Meetings

Abstract:     
This paper applies the methodology of Bai and Ng (2002, 2004) for decomposing large panel data into systematic and idiosyncratic components to both returns and turnover. Combining the methodology with a generalized-least-squares-based principal components procedure, we demonstrate that this approach works well for both returns and turnover despite the presence of severe heteroscedasticity and non-stationarity in turnover of individual stocks. We then test the duo-factor model of Lo and Wang's (2000), which is based on mutual fund separation. Our results indicate that trading due to systematic risk in returns can account for as much as 73% of all systematic turnover variation in the weekly time-series and 76% in the cross-section. Thus, portfolio rebalancing due to systematic risk is a very important motive for stock trading. Finally, we demonstrate that several commonly used turnover measures may understate the impact of stock trading.

Number of Pages in PDF File: 43

JEL Classification: G12, G11, G10

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Date posted: December 27, 2004  

Suggested Citation

Cremers, Martijn and Mei, Jianping, Turning Over Turnover (November 2004). Yale ICF Working Paper No. 03-26; AFA 2005 Philadelphia Meetings. Available at SSRN: http://ssrn.com/abstract=452720

Contact Information

K. J. Martijn Cremers (Contact Author)
University of Notre Dame ( email )
P.O. Box 399
Notre Dame, IN 46556-0399
United States
Jianping Mei
New York University (NYU) - Department of Finance ( email )
Stern School of Business
44 West 4th Street
New York, NY 10012-1126
United States
212-998-0354 (Phone)
212-995-4221 (Fax)
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