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Short-sale prohibitions, firm characteristics and stock returns: evidence from Chinese market

Short-sale prohibitions, firm characteristics and stock returns: evidence from Chinese market The purpose of this paper is to empirically analyze the impacts of short prohibitions on stock prices.Design/methodology/approachThe authors adopt event study in this paper. First, the authors match each shortable stocks with one unshortable stocks by the propensity score matching method. Second, the authors check the performance difference between treatment group and control group after the event date. Third, the authors check the performance difference among sub-groups sorted by other factors associated with stock returns.FindingsThe authors find that stocks do not decline necessarily after removal of short prohibitions; only those heavily overpriced stocks, such as small stocks, lower B/M or P/E stocks and higher turnover stocks, decline significantly.Research limitations/implicationsThe media falsely stated that short selling lead to market crash; otherwise, short selling is beneficial for improving market efficiency as it is helpful for keeping overpriced stocks in line with the fundamental value.Originality/valueThis is the first paper showing that removal of short prohibitions only impacts heavily overpriced stocks significantly, which is valuable for policy making. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png China Finance Review International Emerald Publishing

Short-sale prohibitions, firm characteristics and stock returns: evidence from Chinese market

Li, Rui; Li, Jiahui; Yuan, Jinjian
China Finance Review International , Volume 7 (4): 22 – Oct 11, 2017
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Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
2044-1398
DOI
10.1108/cfri-11-2016-0122
Publisher site
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Abstract

The purpose of this paper is to empirically analyze the impacts of short prohibitions on stock prices.Design/methodology/approachThe authors adopt event study in this paper. First, the authors match each shortable stocks with one unshortable stocks by the propensity score matching method. Second, the authors check the performance difference between treatment group and control group after the event date. Third, the authors check the performance difference among sub-groups sorted by other factors associated with stock returns.FindingsThe authors find that stocks do not decline necessarily after removal of short prohibitions; only those heavily overpriced stocks, such as small stocks, lower B/M or P/E stocks and higher turnover stocks, decline significantly.Research limitations/implicationsThe media falsely stated that short selling lead to market crash; otherwise, short selling is beneficial for improving market efficiency as it is helpful for keeping overpriced stocks in line with the fundamental value.Originality/valueThis is the first paper showing that removal of short prohibitions only impacts heavily overpriced stocks significantly, which is valuable for policy making.

Journal

China Finance Review International – Emerald Publishing

Published: Oct 11, 2017

Keywords: Firm characteristics; Future stock returns; Margin-buying constraints; Short-sale prohibitions; G11; G12

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