This article examines the nature of economically efficient tariffs when there exists rivalry among firms that produce imperfectly substitutable outputs with economies of scale and that operate under a viability constraint. Pricing principles are derived and related to the rules developed in the...

This article examines regulatory reform and some possible consequences of reform designed to increase the role that competition plays in the interstate natural gas pipeline industry. The analysis first provides a conceptual framework for viewing the "problem of natural monopoly" as a basis for...

This article explores the implications of endogenous product quality (and therefore endogenous output) in the empirical estimation of cost functions for regulated automobile collision insurance firms. It contains a structural model of such a firm and provides an illustration of the types of...