TY - BOOK AU - Asheim,Geir B. TI - Sustainability : : ethical foundations and economic properties / T2 - Policy research working paper ; U1 - MISR 338.9 ASH PY - 1994///] CY - Washington, D.C. : PB - The World Bank, Policy Research Dept., Public Economics Division, KW - Sustainable development KW - Moral and ethical aspects N1 - Cover title; "May 1994."; Includes bibliographical references (p. 26-27) ER -