Turning Over Turnover

43 Pages Posted: 27 Dec 2004

See all articles by Martijn Cremers

Martijn Cremers

University of Notre Dame; ECGI

Jianping Mei

Cheung Kong Graduate School of Business

Multiple version iconThere are 4 versions of this paper

Date Written: November 2004


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.

JEL Classification: G12, G11, G10

Suggested Citation

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

K. J. Martijn Cremers (Contact Author)

University of Notre Dame ( email )

P.O. Box 399
Notre Dame, IN 46556-0399
United States

ECGI ( email )

c/o the Royal Academies of Belgium
Rue Ducale 1 Hertogsstraat
1000 Brussels

Jianping Mei

Cheung Kong Graduate School of Business ( email )

1017, Oriental Plaza 1
No.1 Dong Chang'an Street
010-81588858 (Phone)
100738 (Fax)

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