What Matters in Corporate Governance?

Posted: 25 Jan 2009

See all articles by Lucian A. Bebchuk

Lucian A. Bebchuk

Harvard Law School; National Bureau of Economic Research (NBER)

Alma Cohen

Tel Aviv University - Eitan Berglas School of Economics; Harvard Law School; National Bureau of Economic Research (NBER)

Allen Ferrell

Harvard Law School; European Corporate Governance Institute (ECGI)

Multiple version iconThere are 2 versions of this paper

Date Written: February 2009

Abstract

We investigate the relative importance of the twenty-four provisions followed by the Investor Responsibility Research Center (IRRC) and included in the Gompers, Ishii, and Metrick governance index (Gompers, Ishii, and Metrick 2003). We put forward an entrenchment index based on six provisions: staggered boards, limits to shareholder bylaw amendments, poison pills, golden parachutes, and supermajority requirements for mergers and charter amendments. We find that increases in the index level are monotonically associated with economically significant reductions in firm valuation as well as large negative abnormal returns during the 1990-2003 period. The other eighteen IRRC provisions not in our entrenchment index were uncorrelated with either reduced firm valuation or negative abnormal returns.

Keywords: G30, G34, K22

Suggested Citation

Bebchuk, Lucian A. and Cohen, Alma and Ferrell, Allen, What Matters in Corporate Governance? (February 2009). The Review of Financial Studies, Vol. 22, Issue 2, pp. 783-827, 2009. Available at SSRN: https://ssrn.com/abstract=1331874 or http://dx.doi.org/hhn099

Lucian A. Bebchuk (Contact Author)

Harvard Law School ( email )

Cambridge, MA 02138
United States
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HOME PAGE: http://www.law.harvard.edu/faculty/bebchuk/

National Bureau of Economic Research (NBER) ( email )

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Alma Cohen

Tel Aviv University - Eitan Berglas School of Economics ( email )

Ramat Aviv, Tel Aviv, 69978
Israel

Harvard Law School ( email )

Cambridge, MA 02138
United States
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(617) 812-0554 (Fax)

National Bureau of Economic Research (NBER) ( email )

1050 Massachusetts Avenue
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Allen Ferrell

Harvard Law School ( email )

Griswold 303 1525 Massachusetts Avenue
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United States
(617) 495-8961 (Phone)
(617) 495-1110 (Fax)

European Corporate Governance Institute (ECGI)

c/o the Royal Academies of Belgium
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1000 Brussels
Belgium

HOME PAGE: http://www.ecgi.org

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