I21, I24, J16
C93, I24, I25, F63, H52, J13, L31, O15, P36
P, Z13, J16
C90 (Design of experiment – general), J16 (Economics of Gender), J21 (Labor Force and Employment
I12, I18, J16, O15
C93 Field Experiments; I21 Analysis of Education; I22 Educational Finance; I25 Education and Economic Development
C93 Field Experiments; I21 Analysis of Education; I22 Educational Finance; I25 Education and Economic Development
C93, I21, I22, I25, I28, O12
I25, I28, J24, L26, O15
I24, J16, J24