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Price Efficiency and Short Selling

  • Pedro A. C. Saffi
  • Kari Sigurdsson

This article presents a study of how stock price efficiency and return distributions are affected by short-sale constraints. The study is based on a global dataset, from 2005 to 2008, that includes more than 12,600 stocks from 26 countries. We present two main findings. First, lending supply has a significant impact on efficiency. Stocks with higher short-sale constraints, measured as low lending supply, have lower price efficiency. Second, relaxing short-sales constraints is not associated with an increase in either price instability or the occurrence of extreme negative returns. The Author 2011. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: journals.permissions@oup.com., Oxford University Press.

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File URL: http://hdl.handle.net/10.1093/rfs/hhq124
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Article provided by Society for Financial Studies in its journal Review of Financial Studies.

Volume (Year): 24 (2011)
Issue (Month): 3 ()
Pages: 821-852

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Handle: RePEc:oup:rfinst:v:24:y:2011:i:3:p:821-852
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  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. Joseph Chen & Harrison Hong & Jeremy C. Stein, 2001. "Breadth of Ownership and Stock Returns," NBER Working Papers 8151, National Bureau of Economic Research, Inc.
  8. 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.
  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. Arturo Bris & William Goetzmann & Ning Zhu, 2004. "Efficiency and the Bear: Short Sales and Markets around the World," Yale School of Management Working Papers ysm327, Yale School of Management, revised 01 Feb 2005.
  11. 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.
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