I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion
Processes D83 — Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
C91, D03, O33
J23, J71, M51, C93, L31
J68, O17, O12, C93, D22, H41
O15, I24, I25
C93, D83, D91, I23, I31, L82, L86, O33
J31, J63, J64, C93, D83, J68
C93, D90, D83
C83, D83
J13;J22;I24;I12;J12;J16