Economic insights on the provision of public goods and services by public sector organizations went hand in hand with probing questions on the efficient allocation of resources within them concerning neo-classical assumptions on the theory of firm (Coase 1937, Alchian and Demsetz 1972). The...

An ongoing problem in the application of U.S. antitrust law is the delineation of the appropriate product market. Demand and supply substitutability, as measured by the coefficients of cross elasticity of demand and the coefficient of elasticity of supply, respectively, were introduced in the...