O12 (Microeconomic Analyses of Economic Development); O13 (Agriculture; Natural Resources); D12
I21; O15; O33; C93
C90; D01; D63; D83; D91
D83 - Search, Learning, Information and Knowledge; H11 Structure, Scope, and Performance of Government
D91, C93, O12
I25, Q54
C93; Q58; Q53; L95; D83
C92,D91
C93 (Field Experiments); D91 (Behavioral); Z13 (Cultural Economics)
C91, C92, D83, D91, M54