D1, J2, G53, C9
D1, I3, J2, J13
J2, J24, I26, M53
C9, J2, M14
D24,I2,J2,L25,L38,M5
and behavior of economic agents); I2 (Education and Research Institutions); J2 (demand and supply of labor); J3 (wage, compensation, and labor costs)
J2, J7, C90
J2, J24, J49
J08; J2; J20; J22; J24; J3; J30; J31; J33; J6; J60; J63; D8; D83; D9; D91; I2; I26
J2, J3, J6