Abstract

http://ssrn.com/abstract=1324873
 
 

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Testing Asymmetric-Information Asset Pricing Models


Bryan T. Kelly


University of Chicago - Booth School of Business; National Bureau of Economic Research (NBER)

Alexander Ljungqvist


New York University (NYU) - Department of Finance; National Bureau of Economic Research (NBER); Centre for Economic Policy Research (CEPR); European Corporate Governance Institute (ECGI); Research Institute of Industrial Economics (IFN)

July 15, 2011


Abstract:     
Modern asset pricing theory is based on the assumption that investors have heterogeneous information. We provide direct evidence of the importance of information asymmetry for asset prices and investor demands using three natural experiments that capture plausibly exogenous variation in information asymmetry on a stock-by-stock basis for a large set of U.S. companies. Consistent with predictions derived from an asymmetric-information rational expectations model with multiple assets and multiple signals, we find that prices and uninformed investors' demands fall as information asymmetry increases. In the cross-section, these falls are larger, the more investors are uninformed, the larger and more variable is stock turnover, the more uncertain is the asset's payoff, and the more precise is the lost signal. We show that at least part of the fall in prices is due to expected returns becoming more sensitive to liquidity risk. Our results confirm that information asymmetry has a substantial effect on asset prices and imply that a primary channel linking asymmetry to prices is liquidity.

Number of Pages in PDF File: 56

Keywords: Asymmetric-information asset pricing, liquidity, analyst coverage

JEL Classification: G12, G14, G17, G24

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Date posted: January 9, 2009 ; Last revised: July 16, 2011

Suggested Citation

Kelly, Bryan T. and Ljungqvist, Alexander, Testing Asymmetric-Information Asset Pricing Models (July 15, 2011). Available at SSRN: http://ssrn.com/abstract=1324873 or http://dx.doi.org/10.2139/ssrn.1324873

Contact Information

Bryan T. Kelly
University of Chicago - Booth School of Business ( email )
5807 S. Woodlawn Avenue
Chicago, IL 60637
United States
773-702-8359 (Phone)
National Bureau of Economic Research (NBER) ( email )
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
Alexander Ljungqvist (Contact Author)
New York University (NYU) - Department of Finance ( email )
Stern School of Business
44 West 4th Street, Suite 9-160
New York, NY 10012-1126
United States
212-998-0304 (Phone)
212-995-4220 (Fax)
HOME PAGE: http://pages.stern.nyu.edu/~aljungqv
National Bureau of Economic Research (NBER) ( email )
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
Centre for Economic Policy Research (CEPR)
77 Bastwick Street
London, EC1V 3PZ
United Kingdom
European Corporate Governance Institute (ECGI)
c/o ECARES ULB CP 114
B-1050 Brussels
Belgium
Research Institute of Industrial Economics (IFN) ( email )
Box 55665
Grevgatan 34, 2nd floor
Stockholm, SE-102 15
Sweden
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