I21 Analysis of Education I26 Returns to Education I28 Education: Government Policy J24 Human
I12; I18; D83; C93; D85
I25, O15, O33
I21 (Evaluation of Education), I25 (Education and Economic Development)
J13, J16, J22, D91
I21, I25, J24, O15
C93, J12, J13
C93, J12, J13
C93, J13, D13
O13 (Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary