I11, I12, D83
J63, M51, M54, O15, C93
C93, J12, J13
C93, Q48, N75
C93, J12, J13
C93, J13, D13
Q54, Q51, D83, C91, Q58
Products), Q48 (Energy: Government Policy), C93 (Design of Experiments: Field Experiments), L94 (Industry
and the Enforcement of Law), O33 (Technological Change: Choices and Consequences; Diffusion Processes), D12 (Consumer Economics: Household Analysis)
C81, C93, D81
C93, D83, J16, L26, O12