In firms subject to tariff regulations, the authorities have developed “regulatory” accounting methods, to identify accepted costs and possible supernormal lrates of return. These methods are also useful in industries free from price regulation, because information about the economic rate of...

This paper estimates the demand curves faced individually by each pension fund management firm that serves compulsory saving for old age in Chile, in 1993-2002. These firms –Administradoras de Fondos de Pensiones, AFP- sell their services by retail methods, contacting each client separately....