Earth & Environmental Sciences
city
31%
debt
18%
economic development
12%
economic growth
14%
effect
3%
environmental cost
17%
environmental policy
14%
environmental pollution
28%
environmental protection
26%
environmental tax
92%
evaluation
6%
fee
67%
incentive
13%
law draft
27%
machine learning
56%
method
3%
policy
17%
pollution
9%
province
36%
rate
4%
sulfur dioxide
14%
sustainable development
46%
tax
46%
tax law
76%
tax reform
100%
Social Sciences
China
34%
costs
8%
economic growth
12%
economics
6%
environmental law
16%
environmental policy
14%
environmental pollution
30%
environmental protection
27%
evaluation
6%
experience
4%
fee
55%
incentive
10%
indebtedness
13%
interview
6%
learning
19%
learning method
13%
performance
6%
reform
16%
sustainable development
48%
tax law
56%
tax reform
76%
taxes
37%
Engineering & Materials Science
Costs
2%
Economics
8%
Environmental protection
14%
Industry
5%
Machine learning
41%
Pollution
17%
Sulfur dioxide
8%
Sustainable development
50%
Taxation
65%