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An estimation of residential water demand using co-integration and error correction tec hniques

In this paper short- and long-run price elasticities of residential water demand are estimated using co-integration and error-correction methods. Unit root tests reveal that water use series and series of other variables affecting use are non-stationary. However, a long-run co-integrating relationship is found in the water demand model, which makes it possible to obtain a partial correction term and to estimate an error correction model. Using monthly time-series observations from Seville, Spain, we find that the price-elasticity of demand is estimated as around -0.1 in the short run and -0.5 in the long run. These results are robust to the use of different specifications.

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Article provided by Universidad del CEMA in its journal Journal of Applied Economics.

Volume (Year): X (2007)
Issue (Month): (May)
Pages: 161-184

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Handle: RePEc:cem:jaecon:v:10:y:2007:n:1:p:161-184
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