清浄な都市水環境の経済的価値：持続可能な開発のための政策分析

清洁城市水环境的经济价值：可持续发展政策分析

基本信息

批准号：
15F15764
负责人：
福士謙介
金额：
$ 1.47万
依托单位：
The University of Tokyo
依托单位国家：
日本
项目类别：
Grant-in-Aid for JSPS Fellows
财政年份：
2015
资助国家：
日本
起止时间：
2015-10-09 至 2018-03-31
项目状态：
已结题

项目摘要

In the reporting timeframe, the Fellow completed studies in two cities - Jakarta, Indonesia and Chennai, India. Both studies estimated the economic values of various water quality improvements (swimmable and fishable water quality based on the national water quality standards) through application of Contingent Valuation Method (CVM) through two-stage payment card technique. There were two surveys in each case, pilot survey and main survey. Results of Jakarta study suggest that the less than half of the residents are willing to contribute to a program that will improve the quality of the city’s waterbodies. Residents of Jakarta expressed monthly use WTP of US$1.70 for swimmable water quality and US$1.08 for fishable water quality, whereas one-time payed non-use WTP US$1.75 and US$1.18 accordingly for above-mentioned water qualities. Aggregated average total economic value is US$89 million per year. In case of Chennai city, 56% of its residents are willing to contribute to programs aimed to improve water quality in the city’s waterbodies. Moreover, use WTP was estimated equal to US$0.58 for swimmable water quality and US$0.52 for fishable water quality; non-use WTP showed US$2.52 and US$2.21 accordingly. The main drivers that impact WTP in both cases are: income and educational level of city’s inhabitants. The findings could provide policymakers and water professionals with useful information about taxpayers’ support for, and preferred budget for water quality improvement programs and projects in the city.

在报告时间范围内，该研究员在印度尼西亚雅加达和印度钦奈这两个城市完成了研究，这两项研究通过应用估算了各种水质改善（基于国家水质标准的可游泳和可捕捞水质）的经济价值。通过两阶段支付卡技术的条件估价法（CVM）每个案例都进行了两次调查，即试点调查和主要调查，雅加达的研究结果表明，只有不到一半的居民愿意为该计划做出贡献。将提高质量雅加达居民对可游泳水质的每月使用意愿为 1.70 美元，对可钓鱼水质的每月使用意愿为 1.08 美元，而对上述水质的一次性支付的非使用意愿为 1.75 美元和 1.18 美元。每年的经济价值为 8900 万美元，以钦奈市为例，56% 的居民愿意为旨在改善水质的项目做出贡献。此外，对于可游泳水质，使用意愿为 0.58 美元，对于可捕捞水质，不使用意愿为 2.52 美元，在这两种情况下，影响意愿的主要因素是：城市居民的收入和教育水平的调查结果可以为政策制定者和水专业人士提供有关纳税人对水质改善计划和项目的支持和首选预算的有用信息。城市。