Abstract

http://ssrn.com/abstract=1412844
 
 

References (42)



 
 

Citations (69)



 


 



Shackling Short Sellers: The 2008 Shorting Ban


Ekkehart Boehmer


Singapore Management University - Lee Kong Chian School of Business

Charles M. Jones


Columbia Business School - Finance and Economics

Xiaoyan Zhang


Purdue University - Krannert School of Management

October 30, 2012


Abstract:     
In September 2008, the U.S. Securities and Exchange Commission (SEC) temporarily banned most short sales in nearly 1,000 financial stocks. We examine the ban’s effect on market quality, shorting activity, the aggressiveness of short sellers, and stock prices. The ban’s effects are concentrated in larger stocks; there is little effect on firms in the lower half of the size distribution. Although shorting activity drops by about 77% in large-cap stocks, stock prices appear unaffected by the ban. All but the smallest quartile of firms subject to the ban suffer a severe degradation in market quality, as measured by quoted spreads, effective spreads, and volatility.

Number of Pages in PDF File: 55

Keywords: short selling, financial crisis, Section 12(k)(2)

JEL Classification: G14

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Date posted: June 2, 2009 ; Last revised: November 1, 2012

Suggested Citation

Boehmer, Ekkehart and Jones, Charles M. and Zhang, Xiaoyan, Shackling Short Sellers: The 2008 Shorting Ban (October 30, 2012). Available at SSRN: http://ssrn.com/abstract=1412844 or http://dx.doi.org/10.2139/ssrn.1412844

Contact Information

Ekkehart Boehmer (Contact Author)
Singapore Management University - Lee Kong Chian School of Business ( email )
Singapore

Charles M. Jones
Columbia Business School - Finance and Economics ( email )
3022 Broadway
New York, NY 10027
United States
(212) 854-5553 (Phone)
HOME PAGE: http://www.columbia.edu/~cj88/

Xiaoyan Zhang
Purdue University - Krannert School of Management ( email )
403 WEST STATE STREET
West Lafayette, IN 47907-1310
United States
7654967674 (Phone)
HOME PAGE: http://web.ics.purdue.edu/~zhang654/
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