This article presents a theoretical and empirical discussion of how costs of outpatient medical practice vary with the size of the group providing services. It focuses upon the incentives of the individual physican to keep the costs of the practice down and his work effort high. Since cost and...

We investigate the hypothesis that increasing access for the indigent to physicians' offices shifts care from hospital outpatient settings and lowers Medicaid costs (the so-called "offset effect"). To evaluate this hypothesis we exploit a large increase in physician fees in the Tennessee...

The relationship between an area's medical resources and physiological measures of individual health status is examined. Variables such as age, sex, race, education, and income are controlled for. The physiological measures include diastolic blood pressure, serum cholesterol concentration,...

Income distributions across American cities have remarkably different shapes. This article attempts to explain that observation. After a brief review of the income distribution literature, a theory of an area's income distribution is proposed which can account for the dissimilar shapes. The...