C93 (field experiment), J24 (Human Capital • Skills • Occupational Choice • Labor Productivity
O12, O15, J15, I38
A23, C93, J24, O31, L86, I31
26, J24, D83, D84
J16, J71, M51, O12, O17
D12, D91, I12, J16, O12, Z13
C71, C92, O12, R10
I24, I26, J24, G53
I21, I28, C93, O33
I26, J38, J24, J23