Data for: Time-varying Long-run Income and Output Elasticities of Electricity Demand with an Application to Korea

Published: 30 November 2016| Version 1 | DOI: 10.17632/r2m66bwss7.1
Contributor:
J. Isaac Miller

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Abstract of associated article: It is widely accepted that long-run elasticities of demand for electricity are not stable over time. We model long-run sectoral electricity demand using a time-varying cointegrating vector. Specifically, the coefficient on income (residential sector) or output (commercial and industrial sectors) is allowed to follow a smooth semiparametric function of time, providing a flexible specification that allows more accurate out-of-sample forecasts than either fixed or discretely changing regression coefficients. We fit the model to Korean data over 1995:01-2012:12 for the residential sector and 1985:01-2012:12 for the commercial and industrial sectors. The rapid development of Korea over this period provides a very clear case for allowing the coefficient on income/output to vary over time, but the essential modeling strategy is widely applicable.

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Economics, Macroeconomics

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