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- Title
Determinants of Residents' Willingness to Pay for Water Quality Improvements in Haikou, China: Application of CVM and ISM Approaches.
- Authors
Hao, Qinchuan; Xu, Shuting; Liao, Yuwei; Qiao, Dan; Shi, Hengtong; Xu, Tao
- Abstract
Exploring the determinants of residents' willingness to pay (WTP) for water quality improvements is essential for protecting the water quality and formulating effective governance policies. This paper applies the double-bounded dichotomous contingent valuation method (CVM) to determine residents' WTP for water quality improvements, calculate the average annual willingness of Haikou residents to pay for water quality improvements, and explore the factors influencing residents' WTP for water quality improvements. Interpretive structural modeling (ISM) is then used to further analyze the association and hierarchy between the influencing factors. The results show that (1) Residents are willing to pay an average of 28.42 RMB/household/year for water quality improvements, and the total annual value of water quality improvements in Haikou is at least 5.58 × 108 RMB; (2) age, education level, income level, minor family member and government trust are the main factors that significantly (p < 0.05) influence urban residents' WTP; (3) among the factors identified as significantly affecting WTP, the deeper root factors include educational attainment, age, and ultimately, the willingness of residents to participate in water quality improvements through indirect factors (government trust, income level, presence of minors). This study allows an in-depth and detailed understanding of the determinants of residents' WTP for water quality improvements and provides a practical and relevant guide to water quality improvements in the tropics.
- Subjects
WATER quality; WILLINGNESS to pay; CONTINGENT valuation; CITY dwellers; DETERMINANTS (Mathematics); POLITICAL trust (in government)
- Publication
Water (20734441), 2023, Vol 15, Issue 7, p1305
- ISSN
2073-4441
- Publication type
Article
- DOI
10.3390/w15071305