TY - BOOK AU - Anderson,Dennis AU - Cavendish,William P. TI - Efficiency and substitution in pollution abatement: three case studies T2 - World Bank discussion paper SN - 0821323091 AV - HD75.6 .A53 1992 PY - 1992/// CY - Washington, DC. PB - World Bank KW - Economic development KW - Environmental aspects KW - Mathematical models KW - Environmental policy KW - Economic aspects KW - Substitution (Economics) N1 - Includes bibliographical references ER -