TY - BOOK AU - Besen,Stanley M AU - Mitchell,Bridger M ED - Research and Development Corporation, TI - On measuring the gain in economic welfare from marginal cost pricing when a related market is of importance ; the case of electricity and natural gas T2 - The Rand paper series PY - 1977/// CY - Santa Monica, California PB - Rand Corporation KW - Electricity KW - Costs KW - Natural gas N1 - Bibliography: p. 16 ER -