The demand for residential electricity: new evidence on time-varying elasticities |
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Authors: | Hui S. Chang Yu Hsing |
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Affiliation: | 1. Professor of Economics, Department of Economics , University of Tennessee , Knoxville , TN 37996-0550 , USA;2. Associate Professor and Head, Department of Economics and Business Research , Southeastern Louisiana University , Hammond , LA 70402 , USA |
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Abstract: | This study employs a generalized functional form to examine demand for residential electiricity. The appropriatenes of the conventional double-log and linear forms are tested. Time-varying elasicities are estimated. Major findings are summarized as follows:(1) the double-log and linear forms can be rejected at the 0.05 and 0.01 levels, respectively; (2) long-run own-price elasticities declined in absolute value consistently from 2.13 to 1.19 during the period 1950–87; (3) long-run income elasticities also decreased from 1.29 to 0.97 during the same period; and (4) long-run corss-Price elasticities with respect to the price of natural gas dropped form 0.40 to 0.29. These results may be heplful to decision makers in determining the change in total revenues owning to the change in prices, pricing strategies, the effectiveness of energy conservation programmes, the effect of rising real income on the demand for residential electricity and future demand. |
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