0.50 S. J. Liebowitz, What Do Census Price-Cost Margins Measure?, Journal of Law and Economics, 1982.

{ industry industries concentration firms }	0.50
{ variable variables results significant }	0.12
{ made make case part }	0.09
{ table number data percent }	0.07

Related Articles

Linda N. EdwardsFranklin R. Edwards, Measuring the Effectiveness of Regulation: The Case of Bank Entry Regulation, Journal of Law and Economics, 1974.

James M. Buchanan, Politics_ Property_ and the Law: An Alternative Interpretation of Miller et al. v. Schoene, Journal of Law and Economics, 1972.

A. Mitchell PolinskySteven Shavell, Enforcement Costs and the Optimal Magnitude and Probability of Fines, Journal of Law and Economics, 1992.