Fig. 4 Number of initial poison pill adoptions by year for all exchange-listed firms in the
period 1984-91. Also, market share of large law firms used in pill adoptions. The 'big-two' law firms are Wachtell Lipton
and Skadden Arps. The 'next-seven' law firms are Fried Frank Harris, Sullivan Cromwell, Cravath Swaine, Paul Weiss,
Wilkie Farr, Shearman Sterling, and Jones Day.
© Copyright 1995, Elsevier
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