... Jacques van der Gaag, and Julie van Domelen for support and helpful suggestions. Cynthia Lopez of the World Bank country office in La Paz and staff of the sif, particularly Jose Duran and RolandoCadina, ... lrawlings@worldbank.org, ridder@usc.edu,rcoa@mat.puc.cl, and jlaevia@hotmail.com, respectively. Financial support for the impact evaluation wasprovided by the World Bank Research Committee and the development ... THE WORLD BANK the world bank economic review, vol. 16, no. 2 241–274 An Impact Evaluation of Education, Health,and Water Supply Investments by theBolivian Social Investment FundJohn Newman,...