Volume 8, Issue 4 (2009)
QJER 2009, 8(4): 129-145 |
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Khosh-Akhlagh R, Shahraki J. Estimating Urban Residential Water Demand
for Zahedan. QJER 2009; 8 (4) :129-145
URL: http://ecor.modares.ac.ir/article-18-65-en.html
URL: http://ecor.modares.ac.ir/article-18-65-en.html
1- University of Isfahan
2- university of systanva balochestan
2- university of systanva balochestan
Abstract: (6113 Views)
This paper examines urban residential water demand for the city of Zahedan in Iran using the data over the period 1999 – 2006. The continuously intensifying scarcity of water resources is a crucial problem in almost all contemporary societies. Even in areas where there are adequate quantities of water. The problem of scarcity is usually confronted through the deterioration of water quality resulting in increasing costs for certain water uses.
In the framework of water demand, it is vital to analyze and understand the characteristics of water demand. There are several important questions that need to answer. They are as follows: How the demand is formulated? Which factors determine the demand? How the demand responds to the changes in income and the cost of water? Stone-Gray approach is used to model and answer the above questions.
The results show that the main determinants of residential water demand comprise water price, income, and temperature. The price elasticity of demand equals –0.06 while the income elasticity equals 0.062. Finally, the findings confirm that the minimum water requirements are 95 liters per person per day.
Received: 2007/08/1 | Accepted: 2008/04/27 | Published: 2008/12/22
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