0.27 David Dranove Mark Shanley William D. White, Price and Concentration in Hospital Markets: The Switch from Patient-Driven to Payer-Driven Competition, Journal of Law and Economics, 1993.

{ medical hospital hospitals health }	0.27
{ variable variables results significant }	0.16
{ supra note law econ }	0.09
{ price prices market retail }	0.08

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