J31, J33, J41, D83
I21, J24, O33
Capital; Skills; Occupational Choice; Labor Productivity O15 Economic Development: Human Resources
I21 Analysis of Education I26 Returns to Education I28 Education: Government Policy J24 Human
; Human Development; Income Distribution; Migration O33: Technological Change: Choices and Consequences • Diffusion Processes
C91, J22, J24, J71
J46, J31, C93
J16, J24, O33
I21, J24, D83
J16, J24, O33, L96, D13, D83
J24, O33, D91, J22
C93, I21, J31