Willingness to pay for air quality improvement in Ho Chi Minh City, Vietnam
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Abstract
This research aimed to estimate people’s willingness to pay (WTP) to improve air quality in Ho Chi Minh City (HCMC), Vietnam. Contingent value method (CVM), the single bounded dichotomous choice question format, was employed. Five levels of bid were used, including 10,000; 20,000; 30,000; 40,000; 50,000 VND. A survey was conducted with 600 people, distributed in 8 districts. The results showed that people had limited perception on specific terms, but they understood the phenomenon and the consequence of air pollution. The mean willingness to pay (MWTP) for air quality improvement was 19,147.06 VND/person per month (0.83 USD/person per month) (with protesters) and 28,157.01 VND/person per month (1.22 USD/person per month) (without protesters). The total budget that would be used for air protection in HCMC was 86,927,652,400 VND/month (3,779,463.15 USD/month) (with protesters) and 127,832,825,400 VND/month (5,557,557.62 USD/month) (without protesters). The income, education level and bid level were the factors affecting their WTP.
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