C93 (field experiment), J24 (Human Capital • Skills • Occupational Choice • Labor Productivity
C93, D84, D91, Q54
I22, I23, I24, C93
C91, D31, D63, D91
C93, I10
C91; D72; H11; H41
I24, C93, J15
D72, C91, D83, J16
A23, C93, J24, O31, L86, I31
Q01, Q56, Q16, C93, Q53, Q18