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Short-selling ban and cross-sectoral contagion: evidence from the UK

Mohamad, Azhar and Jaafar, Aziz and Goddard, John (2015) Short-selling ban and cross-sectoral contagion: evidence from the UK. Journal of Asset Management, 16 (7). pp. 1-18. ISSN 1470-8272

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Abstract

The UK’s Financial Services Authority (FSA) introduced a ban on the short-selling of specified financial-sector stocks in September 2008. The regulator’s stated objectives were to protect market quality, stabilize the market for financial-sector stocks, and prevent cross-sectoral contagion. We analyse the price, market quality and contagion effects following the imposition of the short-selling ban, and its removal in January 2009. We report evidence consistent with a short-lived overpricing (underpricing) effect immediately after the ban was imposed (lifted). There is evidence of deterioration in market quality while the ban was in force. There is evidence of cross-sectoral contagion from the financial sector to the telecommunication sector immediately prior to the imposition of the ban, but there is no contagion for seven other non-financial sectors. There is no evidence of contagion while the ban was in force. In terms of preventing cross-sectoral contagion, the ban may be seen as a successful governance mechanism in the regulator’s toolbox.

Item Type: Article (Journal)
Additional Information: 3334/46052
Uncontrolled Keywords: short-selling ban; contagion; abnormal returns; market quality; regulation
Subjects: H Social Sciences > HG Finance > HG4501 Stocks, investment, speculation
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Economics and Management Sciences > Department of Finance
Depositing User: Dr Azhar Mohamad
Date Deposited: 07 Dec 2015 14:28
Last Modified: 20 Sep 2017 18:51
URI: http://irep.iium.edu.my/id/eprint/46052

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