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Short-Selling Bans around the World: Evidence from the 2007-09 Crisis

Most stock exchange regulators around the world reacted to the 2007-2009 crisis by imposing bans or regulatory constraints on short-selling. Short-selling restrictions were imposed and lifted at different dates in different countries, often applied to different sets of stocks and featured different degrees of stringency. We exploit this considerable variation in short-sales regimes to identify their effects with panel data techniques, and find that bans (i) were detrimental for liquidity, especially for stocks with small market capitalization, high volatility and no listed options; (ii) slowed down price discovery, especially in bear market phases, and (iii) failed to support stock prices, except possibly for U.S. financial stocks.

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Paper provided by Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy in its series CSEF Working Papers with number 241.

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Date of creation: 06 May 2009
Date of revision: 03 Sep 2011
Publication status: published in the Journal of Finance, 2013, vol. 68, n.1, pp. 343-381.
Handle: RePEc:sef:csefwp:241
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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. Seraina GRUENEWALD & Alexander F. WAGNER & Rolf H. WEBER, . "Short Selling Regulation after the Financial Crisis – First Principles Revisited," Swiss Finance Institute Research Paper Series 09-28, Swiss Finance Institute.
  3. Arturo Bris & William N. Goetzmann & Ning Zhu, 2007. "Efficiency and the Bear: Short Sales and Markets Around the World," Journal of Finance, American Finance Association, vol. 62(3), pages 1029-1079, 06.
  4. Eric C. Chang & Joseph W. Cheng & Yinghui Yu, 2007. "Short-Sales Constraints and Price Discovery: Evidence from the Hong Kong Market," Journal of Finance, American Finance Association, vol. 62(5), pages 2097-2121, October.
  5. Saffi, Pedro & Sigurdson, Kari, 2008. "Price efficiency and short selling," IESE Research Papers D/748, IESE Business School.
  6. Michael Halling & Marco Pagano & Otto Randl & Josef Zechner, 2008. "Where Is the Market? Evidence from Cross-Listings in the United States," Review of Financial Studies, Society for Financial Studies, vol. 21(2), pages 725-761, April.
  7. Lawrence R. Glosten & Paul R. Milgrom, 1983. "Bid, Ask and Transaction Prices in a Specialist Market with Heterogeneously Informed Traders," Discussion Papers 570, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  8. Charles M. Jones & Owen A. Lamont, 2001. "Short Sale Constraints and Stock Returns," NBER Working Papers 8494, National Bureau of Economic Research, Inc.
  9. Markus K. Brunnermeier, 2008. "Deciphering the Liquidity and Credit Crunch 2007-08," NBER Working Papers 14612, National Bureau of Economic Research, Inc.
  10. Miller, Edward M, 1977. "Risk, Uncertainty, and Divergence of Opinion," Journal of Finance, American Finance Association, vol. 32(4), pages 1151-68, September.
  11. Karl B. Diether & Kuan-Hui Lee & Ingrid M. Werner, 2009. "It's SHO Time! Short-Sale Price Tests and Market Quality," Journal of Finance, American Finance Association, vol. 64(1), pages 37-73, 02.
  12. Halling, Michael & Pagano, Marco & Randl, Otto & Zechner, Josef, 2005. "Where is the Market? Evidence from Cross-Listings," CEPR Discussion Papers 4987, C.E.P.R. Discussion Papers.
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