I12; I18; D83; C93; D85
I25, O15, O33
I21 (Evaluation of Education), I25 (Education and Economic Development)
I21, I25, J24, O15
I11, I12, D83
J63, M51, M54, O15, C93
O13 (Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary
Studies: Utilities and Transportation: Electric Utilities), K42 (Illegal Behavior
H13 (Health insurance), D91 (Emotion), D64 (Altruism)
F22, J61, O15, C93, O12
I18, I12, I11, K36, K20