C93 – Field Experiments, D12 – Consumer Economics: Empirical Analysis, Q41 – Energy: Demand and Supply
D72, D83, D91, E71
C93, D83, D91, J22, J81
D12, O12, Q54
C93, O33, L82, D83
C93, D83, J31, J71, M51
D12, E52, E58
D83, D91, G41, G50, G53
Z12, D83, C93
C11, C90, D83, D91