C93, D83, J64
Q54, G52, C93, D83
O31; O32; O33; O34; O38; Q55; D22
C93, D01, D90, D91
J16, C93
I30, I38, J13, C91, C93
C93, Q12, J21, D91, J24, J64,
; Human Development; Income Distribution; Migration O33: Technological Change: Choices and Consequences • Diffusion Processes
I23, C93
I23, C93