TY - BOOK AU - Londero, Elio TI - Benifits and beneficiaries: An introduction to estimating di SN - 0-940602-23-7 U1 - 330.1556/LON PY - 1996/// CY - Washington PB - Inter-American Development Bank KW - Cost effectiveness KW - Welfare economics KW - General economics KW - Economics ER -