C93, D64, D90, J22, J23, J32
C93, I2, I1, J24
Analysis of Education
J15, Z2, C93
C93, D14, J12, Z13
J16: Economics of Gender
C93, H25, H26
(Valuation of Environmental Effects); C93 (Field Experiments)
Q53 (Air pollution, Water Pollution, Noise, Hazardous Waste, Solid Waste, Recycling); Q51
C93 (Field Experiments), D14 (Personal Finance), D18 (Consumer Protection), G51 (Household Borrowing)
J16, C93, M54