C93, D9, I31, J15, O12
Q53, D10, C93
C93 Field Experiments; I21 Analysis of Education; I22 Educational Finance; I25 Education and Economic Development
Q16, C93, D91
Q12, Q16, O33, D13, C93
G510; G530; I380; D12; O12; C93
J64, C93, D47
C93, I21, I22, I25
L94, M31, C83, C93
M31, C93, I19