Business & Economics
Morbidity
96%
Willingness-to-pay
95%
Contingent Valuation
90%
Air Pollution
89%
Meta-analysis
80%
Air Pollution Control
29%
Meta-Regression
29%
Economic Valuation
25%
Risk Characteristics
24%
Policy Evaluation
24%
Health Effects
24%
Health Risk
23%
Illness
21%
Influential Factors
21%
Cost-benefit
20%
Severity
19%
Income
18%
Policymaker
16%
Education
11%
Factors
6%
Earth & Environmental Sciences
contingent valuation
100%
morbidity
87%
meta-analysis
87%
willingness to pay
69%
valuation
62%
atmospheric pollution
61%
population characteristics
26%
policy
23%
cost-benefit
22%
pollution control
19%
health risk
17%
income
17%
education
16%
health
13%
economics
11%
evaluation
9%
effect
4%