c91, c99, d81, e22, g11, G40
O12, O13, Q12, D22, M13, C81, C83, C93, D50
C90, D81, D91, G11, I31
C90 C91 D63 D90 H23
D81, D83, D84, C93, I26
C93, D73, J15, H75,
I21, I24, J15, C93
(Technological Change: Choices and Consequences; Diffusion Processes), D91 (Micro-Based Behavioral
Economics: Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making), C93 (Field Experiments).
L83, Z31, D91, D12, D35
C93, I21, I25, J13, O12, O15