J16, J24, J81, C93
D74, I25, C93
Q48 – Energy: Government Policy; L25 – Firm Performance: Size, Diversification, and Scope; C93
C93, D90, H40, O18, Q54
C90, C93, D10, D14, D15, D22
C93: Field Experiments; I21: Analysis of Education; I24: Education and Inequality; I25: Education
Q41, C93, D12
JEL D78, O22, A29
D44, C72, I20, I28, C91,C92,C93
Q53, C93, Z3