H23; H24; H53; I38; D31; D63
I21 - Analysis of Education
I25, I28, J24, L26, O15
H43, I10, I20, I38
G51, O12, O13
I24, J16, J24
C93, D8, I12, I15, O15
I21 - Analysis of Education; J24 - Human Capital; Skills; Occupational Choice; Labor Productivity
I21, I23, O33
D10, O12, D74