C93 Field Experiments,D12 Consumer Economics Empirical Analysis,Q53 Solid Waste • Recycling Q58
Q12, Q15, Q18, C35, O13
I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion
Q12, Q14, G52, D13
I21 – Analysis of Education: Education and Economic Development I28 – Education: Government Policy I31 – General Welfare, Well-Being
Q12, O13, C93, Q18, O21, O53
O12,O13, O33, Q12,Q16
J13, J43, Q12, C93, O17
C93 – Field Experiments, D12 – Consumer Economics: Empirical Analysis, Q41 – Energy: Demand and Supply
G52, Q14, Q12, O12