Anderson, Dennis Efficiency and substitution in pollution abatement : three case s tudies / D. Anderson and William Cavendish - Washington, D. C. : The World Bank, 1992 - viii, 126 p.: ill.; 27 cm. - World Bank discussion papers ; no. 186 . ISBN: 0821323091 Subjects--Topical Terms: Economic development --Environmental aspects -- Mathematical models--Mathematical models--Mathematical models--Mathematical models--Mathematical models--Economic aspects --Mathematical models------Environmental policy --Mathematical models-- Mathematical models--Mathematical models--Mathematical models--Mathematical models--Mathematical models--Economic aspects --Mathematical models------Substitution (Economics)--Mathematical models--Mathematical models--Mathematical models--Mathematical models--Mathematical models--Economic aspects --Mathematical models------ Dewey Class. No.: MISR 363.737 AND