TY - BOOK AU - Barrera-Osorio, Filipe TI - The impact of private provision of public education: empirical evidence from Bogota's concession schools T2 - World Bank policy research working papers AV - IBRD(08) PY - 2007/// CY - Washington, D. C. PB - World Bank KW - CONCESSION SCHOOLS--RESEARCH--BOGOTA KW - EDUCATIONAL TESTS AND MEASUREMENTS ER -