C9, I2, J3, L2
J08, J20, J3, J7
D23; J3; J53; M50
J3, J31, J38, M52
D8, D9, J2, J3
J3, O15
and behavior of economic agents); I2 (Education and Research Institutions); J2 (demand and supply of labor); J3 (wage, compensation, and labor costs)
D9, J3, J7
J08; J2; J20; J22; J24; J3; J30; J31; J33; J6; J60; J63; D8; D83; D9; D91; I2; I26
J2, J3, J6