C93, D91, I12, I15, I21, J16, Q01
I25, O15, C93, J16, O12
J13, J16, J22, D91
and the Enforcement of Law), O33 (Technological Change: Choices and Consequences; Diffusion Processes), D12 (Consumer Economics: Household Analysis)
C93, D83, J16, L26, O12
J22, J16, J38, D83
J16, I29, C93
J16, J24, O33
D13, I2, J13, J16, J22
Q16, O33, D83, J16, C93