C93 (field experiment), J24 (Human Capital • Skills • Occupational Choice • Labor Productivity
C93, D84, D91, Q54
I22, I23, I24, C93
C93, I10
I24, C93, J15
A23, C93, J24, O31, L86, I31
JEL: C93, I21, J13
Q01, Q56, Q16, C93, Q53, Q18
C93; D91; G21
C93, I12, I18, J13, J16, O35