Tying up loose ends: A note on the impact of omitting MA residuals from panel energy demand models based on the Koyck lag transformation

David Broadstock and Lester Hunt

No 140, Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS) from Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey

Abstract: Energy demand functions based on Koyck lag transformation result in an MA error process that is generally ignored in estimated panel data models. This note explores the implications of this assumption by estimating panel energy demand functions with asymmetric price responses and an MA process modelled explicitly. It is found that although the models with an MA term might be preferred statistically, they result in inferential problems implying that there might be a need to revisit the specification of panel energy demand functions used in a number of previous studies.

Keywords: Koyck-lag transformation; Moving average errors; Panel data; Aggregate energy demand. (search for similar items in EconPapers)
JEL-codes: C8 Q4 (search for similar items in EconPapers)
Pages: 16 pages
Date: 2013-03
New Economics Papers: this item is included in nep-ecm and nep-ene
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Published in Empirical Economics Letters, 12(10), 2013, pp. 1085–1088. (Revised Version)

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Persistent link: https://EconPapers.repec.org/RePEc:sur:seedps:140

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