TY - BOOK AU - Anderson,Dennis AU - Cavendish,Willian TI - Efficiency and substitution in pollution abatement : : three case s tudies / SN - 0821323091 U1 - MISR 363.737 AND PY - 1992/// CY - Washington, D. C. : PB - The World Bank, KW - Economic development KW - Environmental aspects KW - Mathematical models KW - Mathematical models KW - Economic aspects KW - Environmental policy KW - Substitution (Economics) ER -