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Heterogeneous preferences for domestic water quality service improvement: a mixed logit approach


Alhaji Dauda, Suleiman and Yacob, Mohd Rusli and Radam, Alias (2013) Heterogeneous preferences for domestic water quality service improvement: a mixed logit approach. In: International Conference on Environmental Forensics 2013, 11-14 Nov. 2013, Marriot Hotel, Putrajaya, Malaysia. (pp. 609-613).

Abstract / Synopsis

This paper reports the findings from choice experiment (CE) study designed to estimate the economic value of domestic water quality and services attributes in Damaturu, Yobe State Nigeria. The Mixed Logit Model (MLM) was used in order to estimate the household preferences and personal interviews were made on a total of 300 households. The households were asked to select the best among the alternatives of the domestic water quality and service improvements. The attributes investigated were tab water quality (TWQ), total supply of water (TWS), tap water pressures (TWP) and water billing price (P). Findings of the study show that the household’s preferred the highest changed in each attributes levels. The most significant variable in MLM model is TWQ attribute, which marginal rate of substitution (MRS) is 685 % for simple model and 572 % for interaction model. The findings of this study can assist the government in designing cost effective management and efficient tariff structure.

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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Economics and Management
Faculty of Environmental Studies
DOI Number:
Publisher: Springer
Keywords: Choice experiment; Water quality; Willingness to pay; Mixed logit model; Heterogeneous attributes
Depositing User: Nabilah Mustapa
Date Deposited: 30 Jun 2017 17:44
Last Modified: 30 Jun 2017 17:44
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