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Benefits of air quality improvement in Klang Valley Malaysia


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Afroz, Rafia and Hassan, Mohd Nasir and Awang, Muhamad and Ibrahim, Noor Akma (2007) Benefits of air quality improvement in Klang Valley Malaysia. International Journal of Environment and Pollution (IJEP), 30 (1). pp. 119-136. ISSN 0957-4352

Abstract / Synopsis

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.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: 10.1504/IJEP.2007.014507
Publisher: Inderscience
Keywords: willingness to pay, air quality, dichotomous choice, open ended, payment cards, comparative reliability, air pollution, Malaysia
Depositing User: Najwani Amir Sariffudin
Date Deposited: 10 Aug 2010 12:46
Last Modified: 08 Dec 2015 12:09
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1504/IJEP.2007.014507
URI: http://psasir.upm.edu.my/id/eprint/7675
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