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Asymmetric asset price reaction to news and arbitrage risk


  • John A. Doukas,

    Corresponding author
    1. Graduate School of Business, Old Dominion University, Norfolk, Virginia, USA
    2. Judge Business School, Cambridge University, Cambridge, UK
    • Department of Finance, School of Business and Public Administration, Old Dominion University, Norfolk, VA 23529-0218, USA.
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  • Meng Li

    1. Walter E. Heller College of Business, Roosevelt University, Chicago, Illinois, USA
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This study documents that high book-to-market (value) and low book-to-market (glamour) stock prices react asymmetrically to both common and firm-specific information. Specifically, we find that value stock prices exhibit a considerably slow adjustment to both common and firm-specific information relative to glamour stocks. The results show that this pattern of differential price adjustment between value and glamour stocks is mainly driven by the high arbitrage risk borne by value stocks. The evidence is consistent with the arbitrage risk hypothesis, predicting that idiosyncratic risk, a major impediment to arbitrage activity, amplifies the informational loss of value stocks as a result of arbitrageurs' (informed investors) reduced participation in value stocks because of their inability to fully hedge idiosyncratic risk. Copyright © 2009 John Wiley & Sons, Ltd.