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Valuation Effects of Greenmail Prohibitions

23 Pages Posted: 12 Nov 2008  

B. Espen Eckbo

Tuck School of Business at Dartmouth; European Corporate Governance Institute (ECGI)

Date Written: 1990

Abstract

Greenmail payments are widely viewed as managerial actions designed to perpetuate their tenure in office. This view, which suggests that greenmail prohibitions would enhance shareholder wealth, receives mixed empirical support in this paper. The average market reaction to charter amendments prohibiting greenmail payments is weakly negative, suggesting there is a value to maintaining managerial flexibility. However, non-linear maximum likelihood estimation reveals a strong positive correlation between the market reaction and the firm's abnormal stock price runup over the three months just prior to the proxy mailing date. For the subsample of firms with a relatively large prior runup, the precommitment not to pay greenmail is value enhancing. If the prior runup reflects takeover rumors, then this evidence is consistent with the proposition that greenmail payments amidst takeover speculations are value decreasing.

Keywords: Greenmail, managerial entrenchment, corporate governance, takeovers, antigrenmail charter amendment, proxy mailing, takeover rumors, market reaction

JEL Classification: G3, G32, G34, G35

Suggested Citation

Eckbo, B. Espen, Valuation Effects of Greenmail Prohibitions (1990). Journal of Financial and Quantitative Analysis (JFQA), Vol. 25, pp. 491-505,1990. Available at SSRN: https://ssrn.com/abstract=1299865

B. Espen Eckbo (Contact Author)

Tuck School of Business at Dartmouth ( email )

Hanover, NH 03755
United States
603-646-3953 (Phone)
603-646-3805 (Fax)

HOME PAGE: http://www.tuck.dartmouth.edu/eckbo

European Corporate Governance Institute (ECGI)

c/o ECARES ULB CP 114
B-1050 Brussels
Belgium

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