Willingness to pay for flood risk reduction and its determinants in Japan
Willingness to pay for flood risk reduction and its determinants in Japan
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DOI：
10.1111/j.1752-1688.2006.tb04505.x
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发表时间：
2006-08-01
影响因子：
2.4
通讯作者：
Yoshida, Kentaro
中科院分区：
文献类型：
--
作者：
Zhai, Guofang;Sato, Teruko;Yoshida, Kentaro
本研究旨在通过条件价值评估法，阐明日本公众对防洪措施的偏好、支付意愿（WTP）以及影响支付意愿的主要因素。调查结果显示，大多数受访居民期望一些防洪措施，并揭示了河流管理的利益的多样性。不同措施的支付意愿水平从2，887日元到4，861日元不等，中位数从1，000日元到2，000日元不等。然而，额外的洪水风险降低超过初始水平的WTP被认为是零。这被认为是因为必须在多风险背景下确定减少洪水风险的支付意愿。防洪措施的支付意愿可能会随着人均收入、个人准备程度和/或洪水经验的增加而增加，但可能会随着与河流的距离、洪水风险的可接受性和环境信息的提供而减少。此外，洪水风险的感知可能会增加支付意愿，而其他风险的感知可能会降低它。在调查中提出的处理环境风险的方法可能会影响支付意愿水平。
This study aimed to clarify public preferences for flood control measures in Japan, willingness to pay (WTP), and the main factors involved in WTP by applying the contingent valuation method. Findings showed that most residents surveyed expected some flood control measures, and revealed a diversity of interest in river management. WTP levels for different measures ranged from a mean of Y2,887 to Y4,861 and from a median of Y1,000 to Y2,000. However, WTP for additional flood risk reduction beyond initial levels was found to be zero. This was considered to be because WTP for flood risk reduction must be determined within a multi-risk context. WTP for flood control measures may increase with per capita income, individual preparedness, and/or experience with flooding, but may decrease with distance from a river, acceptability of flood risk, and provision of environmental information. Furthermore, perception of flood risk may increase WTP, while perception of other risks may decrease it. Methods of dealing with environmental risk that were proposed in the survey may have affected WTP levels.