This paper estimates a model of the demand for hospital inpatient mental health services. It uses data on enrollees who were in the Blue Cross and Blue Shield Association Federal Health Benefits Plan from 1979 to 1981. The econometric analysis focuses on the impact of increased copayments and...

A model of monopoly with constant marginal costs is used to derive a price function for dental services. The implications of the model are tested using data on individual practitioners from a national survey. The implications of the model are met by the data, providing strong evidence of the...