I12 Health Behavior, C93 Field Experiments, D85 Network Formation and Analysis: Theory
I12, I18, J16, O15
K13, K41, C90, D91, O33
C93, D73, J15, H75
C90, D81, D91, G11, I31
C93, D73, J15, H75,
(Technological Change: Choices and Consequences; Diffusion Processes), D91 (Micro-Based Behavioral
L83, Z31, D91, D12, D35
C91, D91, Z13
J71, D91, C90