The differential impact on stockholder wealth of various antitakeover provisions

James M. Mahoney, Joseph T. Mahoney and Chamu Sundaramurthy

No 9512, Research Paper from Federal Reserve Bank of New York

Abstract: This paper examines the relationship between the passage of six types of corporate antitakeover provisions (supermajority, classified boards, fair-price, reduction in cumulative voting, anti-greenmail and poison pills) and stockholder wealth. Our event study from a sample of 38l firms that adopted 486 antitakeover provisions in the 1984-1988 period indicates a strongly negative effect on stockholder wealth, supporting the management entrenchment view of antitakeover provisions. Moreover, the empirical results of this paper indicate that the market reacts equally negatively to both non-operating provisions that require stockholder approval and to operating provisions that do not require stockholder approval. However, separate analyses of the antitakeover provisions provide some support for the argument that stockholders discriminate between individual provisions.

Keywords: Wealth; Consolidation and merger of corporations; Corporations; Stock - Prices (search for similar items in EconPapers)
Date: 1995
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