This paper tests whether the results from standard structure-conduct-performance [SCP] models estimated at the industry level are sensitive to the degree of heterogeneity of the firms in the industries. Industries are separated into homogeneous and heterogeneous categories depending on whether...

The results of the previous section, estimates of a three equation model from 23 observations, must obviously be regarded as tentative. The consistent positive relationship between number of interest groups and size of government observed with changing sets of included independent variables,...

Most of the constitutional political economy literature has followed Buchanan and Tullock by remaining inherently normative, but a small literature has appeared that examines the properties of constitutions by considering the motives of the people who actually write the constitution. This...