Consumer surplus for air quality improvement in the transport sector in Klang Valley, Malaysia: contingent valuation method and choice experimental approach

Sarabdeen, Masahina and Afroz, Rafia and Kijas, Abdul Cafoor Muhammadu and Sheikh, Shanoo (2019) Consumer surplus for air quality improvement in the transport sector in Klang Valley, Malaysia: contingent valuation method and choice experimental approach. International Journal of Supply Chain Management, 8 (6). pp. 118-132. ISSN 20513771 E-ISSN 2050-7399

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Abstract

This study is an attempt to estimate consumer surplus for alternative air quality improvement in Klang Valley, Malaysia, using a double-bounded dichotomous choice contingent valuation method (CVM) and choice experiment (CE). Number of sick days, air pollution index, medical expenditure, outdoor activities, ethnic, city, age, and respiratory symptoms were found to be significant variables which affect the willingness to pay (WTP) of the respondents. Respondents’ WTP is an average MYR 2.13 in CVM and the mean WTP for the new air quality management programme derived from CE is MYR1.99 per litre. The consumer surplus derived from CVM and CE is 0.23 and 0.09 respectively. Results show that although the consumer surplus derived from CVM is slightly higher than that from CE but they are not significantly different. The results suggest that both double-bounded CVM and CE can be successfully implemented for environmental valuation in Klang Valley.

Item Type:	Article (Journal)
Additional Information:	5965/77802
Uncontrolled Keywords:	Consumer Surplus, Double-bounded Dichotomous Choice Contingent Valuation Method, Choice Experiment, Willingness to Pay, Air Quality
Subjects:	BPH Islamic Economics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Economics and Management Sciences > Department of Economics
Depositing User:	Dr Rafia Afroz
Date Deposited:	10 Jan 2020 11:54
Last Modified:	13 Mar 2020 13:21
URI:	http://irep.iium.edu.my/id/eprint/77802

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