0.20 B. Espen Eckbo Peggy Wier, Antimerger Policy under the Hart-Scott-Rodino Act: A Reexamination of the Market Power Hypothesis, Journal of Law and Economics, 1985.

{ return stock event market }	0.20
{ merger industry concentration firm }	0.17
{ antitrust cartel case price }	0.13
{ market competition price monopoly }	0.10

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