Fig. 1 Monthly time series plot of proportion of all exchange-listed firms that are covered by
(1) control share laws, (2) business combination laws, (3) poison pill rights issues, (4) any of the above, and
(5) the proportion of all exchange-listed firms that received initial merger proposals, merger agreements, or
inter-firm tender offers each month during 1975-91 (left-hand scale).
© Copyright 1995, Elsevier
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