D22 Firm Behavior: Empirical Analysis, Q4 Energy, Q5 Environmental Economics
I21
I21, I25, I28
I21, I24, C91, C92, C93
A22, I21, J15, J16
Analysis of Education
D14, G53, I21, I23
J16: Economics of Gender
I21, I24, J24, I26
(Valuation of Environmental Effects); C93 (Field Experiments)