J71, J15, C93, J61
P, Z13, J16
, Size, and Structure), Z13 (Economic Sociology; Economic Anthropology), A13 (Relation of Economics to Social Values)
C93, D83, F13
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
C93, D83, D91
I23; I26; C93
C92,D70,D78,Z13