I2, I21, I24
P, Z13, J16
C91, D83, D91
C90 (Design of experiment – general), J16 (Economics of Gender), J21 (Labor Force and Employment
D3, D91, E31, H31
C93, D83, F13
D70, D83, K00, Z10
C91, D83
I12, I18, J16, O15
C93 Field Experiments; I21 Analysis of Education; I22 Educational Finance; I25 Education and Economic Development