


In addition, real income, number of connections (population), and weather variables are found to be important determinants of urban water demand.

In general, the price is found to have a significant effect on water demand, and this effect is much higher for the industrial sector than for the residential and commercial sectors.
ISHIKAWA DIAGRAM WATER AND SANITATION SERIES
Separate water-demand functions for each of the major sectors were estimated, using monthly time series for 60 months from January 1994 to December 1998. Lack of research in the Sri Lanka context of this area and the need for understanding the price elasticity of demand for urban water for effective implementation of the new water-demand management policy formulated by the Government of Sri Lanka in early 2000 were important motivations for this study. It provides for the legal, unlicensed citation or incorporation of copyrighted material in another author's work under a four-factor balancing test.The aim of this study is to provide an economic analysis of urban water use with a view to enhance the understanding of the factors influencing urban water demand and to estimate price elasticities of residential, commercial, and industrial water demands in Sri Lanka. Examples of fair use include commentary, search engines, criticism, news reporting, research, teaching, library archiving and scholarship. In United States copyright law, fair use is a doctrine that permits limited use of copyrighted material without acquiring permission from the rights holders.

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