and behavior of economic agents); I2 (Education and Research Institutions); J2 (demand and supply of labor); J3 (wage, compensation, and labor costs)
G53, I21,
J24 (Returns to Education)
C93, I21, J24, O15
I20, I21, J24
C93, I21, 012, 015
O12, I25, I21, J24
I21
C93, D83, D91, H41, I21, I23, I26
I21, O33