Estimating the non-market benefits of water quality improvement for a case study in Spain: A contingent valuation approach

被引：67

作者：

Ramajo-Hernandez, Julian ^{[2
]}

del Saz-Salazar, Salvador ^{[1
]}

机构：

[1] Univ Valencia, Dept Econ Aplicada 2, E-46022 Valencia, Spain

[2] Univ Extremadura, Dept Econ, E-06006 Badajoz, Spain

来源：

ENVIRONMENTAL SCIENCE & POLICY | 2012年 / 22卷

关键词：

Water Framework Directive; Water quality change; Contingent valuation; Zero responses; Spike model; Sample selection bias; WILLINGNESS-TO-PAY; WELFARE MEASURES; PROTEST RESPONSES; ECONOMIC VALUE; PUBLIC-GOODS; MODELS; VALUES; CONTEXT; ZERO;

D O I：

10.1016/j.envsci.2012.05.006

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This article addresses an important topic related to the application of the European Water Framework Directive (WFD) in Spanish watersheds. Results on a contingent valuation study, aimed to assess the non-market benefits of water quality improvements in the Guadiana river basin (GRB), are shown. Special attention has been paid to the issue of zero willingness-to-pay (WTP) responses, while addressing the possible presence of self-selection caused by protest responses. The results (i) indicate that sample selection bias is not a problem in our application, (ii) allow us to identify some key determinants of voting behaviour, and (iii) through the use of different econometric models allows us to find a robust estimate for the mean WTP to accurately inform decision-making. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：47 / 59

页数：13

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