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Price efficiency and short selling

  • Saffi, Pedro


    (IESE Business School)

  • Sigurdson, Kari

    (Barclays Global Investors and Reykjavik University)

This paper investigates the effect of short-sale constraints on price efficiency. We use a unique global dataset on equity lending, collected from several custodians, from January 2004 to June 2006. This information is available weekly for 17,015 stocks from 26 countries. Our main findings are as follows. First, stocks with limited lending supply and high borrowing fees respond more slowly to market shocks. Second, short-sale constraints have a small impact on the distribution of weekly stock returns. Limited lending supply is associated with higher skewness, but not with fewer extreme negative returns. Third, stocks with limited lending supply and higher borrowing fees are associated with lower R2s on average.

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Paper provided by IESE Business School in its series IESE Research Papers with number D/748.

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Length: 59 pages
Date of creation: 27 Apr 2008
Date of revision:
Handle: RePEc:ebg:iesewp:d-0748
Contact details of provider: Postal: IESE Business School, Av Pearson 21, 08034 Barcelona, SPAIN
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  1. Cohen, Lauren & Diether, Karl B. & Malloy, Christopher J., 2005. "Supply and Demand Shifts in the Shorting Market," Working Paper Series 2005-8, Ohio State University, Charles A. Dice Center for Research in Financial Economics.
  2. John Y. Campbell & Martin Lettau & Burton G. Malkiel & Yexiao Xu, 2000. "Have Individual Stocks Become More Volatile? An Empirical Exploration of Idiosyncratic Risk," NBER Working Papers 7590, National Bureau of Economic Research, Inc.
  3. William N. Goetzmann & Ning Zhu & Arturo Bris, 2003. "Efficiency and the Bear: Short Sales and Markets around the World," NBER Working Papers 9466, National Bureau of Economic Research, Inc.
  4. Duffie, Darrell & Garleanu, Nicolae & Pedersen, Lasse Heje, 2002. "Securities lending, shorting, and pricing," Journal of Financial Economics, Elsevier, vol. 66(2-3), pages 307-339.
  5. Joseph Chen & Harrison Hong & Jeremy C. Stein, 2001. "Breadth of Ownership and Stock Returns," NBER Working Papers 8151, National Bureau of Economic Research, Inc.
  6. Diamond, Douglas W. & Verrecchia, Robert E., 1987. "Constraints on short-selling and asset price adjustment to private information," Journal of Financial Economics, Elsevier, vol. 18(2), pages 277-311, June.
  7. Hemang Desai & K. Ramesh & S. Ramu Thiagarajan & Bala V. Balachandran, 2002. "An Investigation of the Informational Role of Short Interest in the Nasdaq Market," Journal of Finance, American Finance Association, vol. 57(5), pages 2263-2287, October.
  8. Susan E.K. Christoffersen & Christopher C. Geczy & David K. Musto & Adam V. Reed, 2007. "Vote Trading and Information Aggregation," Journal of Finance, American Finance Association, vol. 62(6), pages 2897-2929, December.
  9. Ekkehart Boehmer & Charles M. Jones & Xiaoyan Zhang, 2008. "Which Shorts Are Informed?," Journal of Finance, American Finance Association, vol. 63(2), pages 491-527, 04.
  10. Christoffersen, Susan E.K. & Geczy, Christopher C. & Musto, David K. & Reed, Adam V., 2005. "Crossborder dividend taxation and the preferences of taxable and nontaxable investors: Evidence from Canada," Journal of Financial Economics, Elsevier, vol. 78(1), pages 121-144, October.
  11. Amihud, Yakov, 2002. "Illiquidity and stock returns: cross-section and time-series effects," Journal of Financial Markets, Elsevier, vol. 5(1), pages 31-56, January.
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