C72, D83, C91, H41, M52
H23, D83, C91, Q54
D83, D84, E65, F16
D12, D83, O12, Z13
D91 D12 D83 L81 M37
J62, J23, J68, D83, C93, J15
D83, D91, J16, J29, O53, Z12, Z13
and Knowledge; Communication; Belief; Unawareness), L81 (Retail and Wholesale Trade; e-Commerce), L86 (Information Goods and Services, Internet Content)
: Underlying Principles), D82 (Asymmetric and Private Information), D83 (Search; Learning; Information
O33; D83: O16; L14; O17; L81
I20, I21, I24, I28, D83