C93, D83, I21, I24,
C93, D22, D90, J16, O12
D83, J12, C93, N36
C93 - Field Experiments; H52 - Government Expenditures and Education; I21 - Analysis of Education
J16, J24, C93, J33
D03, D12, D91, L94, O13, Q41, C93, H42, H53
D6, D63, D64, D9, D91, D3, D31, H53, I38
I38, Q180, I18, H75
I38
C93, I21