J12, J16, G51, G53, D14, I31
J16, J24, I11, O33, L86
C93 – Field Experiments, D12 – Consumer Economics: Empirical Analysis, Q41 – Energy: Demand and Supply
I21, I31, J16
Q23 (Forests; Forestry), Q57 (Ecological Economics; Ecosystem Services; Biodiversity Conservation
J16, I29, C93
J16, Q54,Q58, H4
C93, J15, J16, J23, J71
I21, J16, C83
C93, J12, J16, J31.