D91
(Valuation of Environmental Effects); C93 (Field Experiments)
J16, J14, I15, D91
D91
I38: Government Policy – Provision and Effects of Welfare Programs
I12, D83, D91
P25, Z12, O15, I30, D90, D91
C93, D91, I12
G50, D91, D83
Planning; Q12: Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
O18: Urban, Rural, Regional, and Transportation Analysis; R41: Transportation: Demand, Supply, and
Congestion; R42: Government and Private Investment Analysis, Road Maintenance, Transportation