J16, J12, E24, J21
B54; C9; J16; J21
J46, O17, C93, J31, J61
J15, J21, J71
G30, G34, J16, J21, J23
C93, Q12, J21, D91, J24, J64,
J15, J16, J46, J81
C93, D91, H55, J46, O17
D14, O12, O17, J46
C90 (Design of experiment – general), J16 (Economics of Gender), J21 (Labor Force and Employment