I11, I12, D83
Q54, Q51, D83, C91, Q58
O13 (Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary
and the Enforcement of Law), O33 (Technological Change: Choices and Consequences; Diffusion Processes), D12 (Consumer Economics: Household Analysis)
C93, D83, J16, L26, O12
H13 (Health insurance), D91 (Emotion), D64 (Altruism)
J22, J16, J38, D83
D83, H60, H31
D83, D84, G11, G12, G41, G51
J16, J24, O33
Q48, Q54, D83, C93