Abstract
Determination of Appropriate Water Tariff for Kandy City, Sri Lanka: An Application of Choice Modeling Approach
Highlights
Kandy, the central capital, known as the cultural capital, is a major tourist attraction of Sri Lanka
The results show that the most preferred level for the third attribute ‘who should manage the system’ is when Sewerage Treatment Plant (STP) is managed by the National Water Supply and Drainage Board (NWSDB) rather than the management is by the Kandy Municipal Council (KMC) or jointly by both institutions
Results showed that the consumers should be given the choice to connect to the STP
Summary
The central capital, known as the cultural capital, is a major tourist attraction of Sri Lanka. Choice modeling (CM) is a family of survey-based methodologies for modeling preferences for goods These goods are described in terms of their attributes and of levels that each attribute take. (The bold letters represent vectors) If a person is being asked to choose between two alternative goods, which are different by their attributes and levels, (alternatives g and h) (This list of “all available selections/options” is referred to as the choice set). Depending on the level of each attribute selected effects codes were formulated using the procedure given by Holmes & Adamovicz [9] These effects codes were used as the independent variables along with other explanatory variables such as income, assets, household size etc. A household survey was conducted in the Kandy Municipal area in order to find out the appropriate tariff structure for proposed sewerage treatment. In obtaining data households were categorized into two groups i.e. households who use less than 20m3/month and more than 20m3/month
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