C93, D8, I12, I15, O15
I21 - Analysis of Education; J24 - Human Capital; Skills; Occupational Choice; Labor Productivity
; C91 - Laboratory, Individual Behavior; C93 - Field Experiments; M53 - Personnel Economics: Training; J45 - Public Sector Labor Markets
I21, I23, O33
H52, H75, I21, I28, O15, O33
I21, O15, O33, D83
J42, M5, J31, J41, K31, L41, C93
I24, I28, C93
O10, O15
C93, I12, I18, J13, J16, O35
C93, I11