D74, I25, C93
B54; C9; J16; J21
Q48 – Energy: Government Policy; L25 – Firm Performance: Size, Diversification, and Scope; C93
J60, J24
C93, D90, H40, O18, Q54
C90, C93, D10, D14, D15, D22
C93: Field Experiments; I21: Analysis of Education; I24: Education and Inequality; I25: Education
and Economic Development; J24: Human Capital; Skills; Occupational Choice; Labor Productivity; H52
J16, J22, C91
D91, D14, J16, J71
Q41, C93, D12