Earth & Environmental Sciences
political economy
100%
economic policy
93%
less developed country
52%
market
51%
agricultural research
46%
agriculture
38%
agricultural trade
30%
trade policy
28%
foreign trade
27%
agricultural technology
25%
transaction cost
24%
productivity
24%
public
23%
information service
22%
labor
17%
education
15%
remediation
14%
economy
13%
infrastructure
13%
services
11%
land
9%
resource
9%
effect
4%
Engineering & Materials Science
Agriculture
78%
Economics
45%
Productivity
37%
International trade
34%
Information services
26%
Education
20%
Personnel
18%
Costs
9%
Medicine & Life Sciences
Agriculture
82%
Economics
55%
Developing Countries
43%
Information Services
28%
Technology
15%
Education
15%
Costs and Cost Analysis
14%