Ecosystem services
Amazon rainforest
Willingness to pay
Payment
Ecosystem valuation
Contingent valuation
Willingness to accept
Valuation (finance)
Business
Payment for ecosystem services
Natural resource economics
Agroforestry
Value (mathematics)
Population
Ecosystem
Welfare
Geography
Environmental resource management
Economics
Ecosystem health
Ecology
Environmental science
Mathematics
Sociology
Microeconomics
Market economy
Statistics
Demography
Finance
Biology
