Benefits of air quality improvement in klang valley Malaysia

被引：3
|
作者：
Afroz, Rafia [1 ]
Hassan, Mohd Nasir
Awang, Muhamad
Ibrahim, Noor Akma
机构：
[1] Univ Putra Malaysia, Dept Environm Sci, Fac Sci & Environm Studies, Serdang Selangor Darul E 43400, Malaysia
[2] Univ Putra Malaysia, Inst Math Res, Serdang Selangor Darul E 43400, Malaysia
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2007年 / 30卷 / 01期
关键词：
willingness to pay; air quality; dichotomous choice; open ended; payment card; comparative reliability;
D O I：
10.1504/IJEP.2007.014507
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The study evaluated the comparative reliability of different question formats of contingent valuation method by resurvey of the same households nine months after their original survey. The test-retest correlations are statistically significant at 1% level. Comparative reliability of different question formats has been tested comparing the test-retest correlations of these methods. This test has revealed that there is no significant difference in the test-retest correlations between the different question formats for either level A (reduction of the concentration of PM10 by 10%) or level B (reduction of the concentration of PM10 by 20%) air quality improvement.
引用
收藏
页码：119 / 136
页数：18
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