阐明与政策相关的既定水质偏好值:在新西兰的应用

IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY
P. Walsh, Dennis Guignet, Pamela L. Booth
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引用次数: 0

摘要

摘要政府需要工具来分析淡水政策的权衡,但文献中的估价估计可能很难在政策环境中使用。利益转移的障碍包括(i)难以扩大当地估计,(ii)无法与政策挂钩的水质属性,以及(iii)假设水质发生重大、不切实际的变化的调查。我们以新西兰的淡水河和溪流为重点,制定并实施了一项全国性的离散选择声明偏好研究,旨在实现未来的利益转移。规定的供应机制和正在估价的环境商品由地区理事会一级规定,这是政策执行的行政单位。这项调查是在全国范围内进行的,有三个属性——营养素、水质透明度和大肠杆菌水平——选择这些属性是为了与政府的政策杠杆和对公众的突出程度保持一致。估计结果表明,人们积极而显著地愿意为每个属性的改进付出代价,其幅度与最近对水质税的全民公投相当。为了说明我们研究的效用,我们将研究结果应用于新西兰环境部最近分析的一项政策,并估计全国每年的收益为1.15亿新西兰元(7700万美元)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Eliciting policy-relevant stated preference values for water quality: An application to New Zealand
Abstract Governments need tools to analyze trade-offs for freshwater policy, yet valuation estimates from the literature can be difficult to deploy in a policy setting. Obstacles to benefit transfer include (i) difficulties in scaling up local estimates, (ii) water quality attributes that cannot be linked to policy, and (iii) surveys positing large, unrealistic water quality changes. Focusing on freshwater rivers and streams in New Zealand, we develop and implement a nationwide discrete choice stated preference study aimed at future benefit transfer. The stated provision mechanism and environmental commodity being valued are specified at the regional council level, which is the administrative unit for policy implementation. The survey is administered on a national scale with three attributes – nutrients, water clarity, and E. coli levels – which were chosen to align with government policy levers and salience to the public. Estimation results demonstrate positive and significant willingness to pay values for improvements in each attribute, with magnitudes that are comparable to a recent referendum vote on a water quality tax. To illustrate the utility of our study, we apply the results to a recent policy analyzed by New Zealand’s Ministry for the Environment and estimate nationwide annual benefits of NZ $115 million ($77 million USD).
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来源期刊
Agricultural and Resource Economics Review
Agricultural and Resource Economics Review AGRICULTURAL ECONOMICS & POLICY-
CiteScore
2.20
自引率
0.00%
发文量
23
审稿时长
19 weeks
期刊介绍: The purpose of the Review is to foster and disseminate professional thought and literature relating to the economics of agriculture, natural resources, and community development. It is published twice a year in April and October. In addition to normal refereed articles, it also publishes invited papers presented at the annual meetings of the NAREA as well as abstracts of selected papers presented at those meetings. The Review was formerly known as the Northeastern Journal of Agricultural and Resource Economics
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