This article considers two schemes of regulation for firms that serve both monopoly markets and markets subjected to substantial competition. The first form ("cost-based" regulation) combines elements of rate-of-return regulation (on monopoly markets) with fully distributed cost pricing, much...

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 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...