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How sensitive to time period sampling is the asymmetric price response specification in energy demand modelling?

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Author Info

  • Yaw Osei Adofo

    ()
    (Design Division of the Engineering Directorate, Electricity Company of Ghana Ltd.)

  • Joanne Evans

    ()
    (Surrey Energy Economics Centre (SEEC), Department of Economics, University of Surrey)

  • Lester Charles Hunt

    ()
    (Surrey Energy Economics Centre (SEEC), University of Surrey)

Abstract

The purpose of this paper is to investigate the criticism that energy demand estimates based on a specific price decomposition are sensitive to the chosen time period used for the estimation. To analyse this in a systematic way, different time series sample periods are constructed from annual data for 17 OECD countries covering the overall period 1960 to 2008. The specific price decomposition under consideration, often used to estimate asymmetric price response models of energy demand, separates the impact of prices above the previous maximum, of a price recovery below the previous maximum and of a price cut. Therefore, the analysis does not just involve using different time periods; instead, for each time period investigated, a new data set is constructed and for each data set, the price variable is decomposed in this way. An energy demand relationship allowing for asymmetric price responses is therefore estimated for each different sample period and the results suggest that recalculation of the decomposed price variables for each different period does affect the stability of the estimated energy demand responses. In contrast, a similarly estimated energy demand relationship with symmetric price responses for each different sample period is found to have less instability.

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Bibliographic Info

Paper provided by Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey in its series Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS) with number 138.

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Length: 40 pages
Date of creation: Nov 2012
Date of revision:
Publication status: Published in Energy Economics, 40, 2013, pp. 90-109. (Revised Version)
Handle: RePEc:sur:seedps:138

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Keywords: Energy demand modelling; Asymmetric price responses; Stability of estimates.;

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References

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  1. Adeyemi, Olutomi I. & Hunt, Lester C., 2007. "Modelling OECD industrial energy demand: Asymmetric price responses and energy-saving technical change," Energy Economics, Elsevier, vol. 29(4), pages 693-709, July.
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  6. Olutomi I Adeyemi & David C Broadstock & Mona Chitnis & Lester C Hunt & Guy Judge, 2008. "Asymmetric Price Responses and the Underlying Energy Demand Trend: Are they Substitutes or Complements? Evidence from Modelling OECD Aggregate Energy Demand," Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS) 121, Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey.
  7. Hunt, L.C. & Judge, G. & Ninomiya, Y., 2000. "Underlying Trends and Seasonality in UK Energy Demands: A Sectorial Analysis," Papers 134, Portsmouth University - Department of Economics.
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  12. Lester C Hunt & Guy Judge & Yasushi Ninomiya, 2003. "Modelling Underlying Energy Demand Trends," Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS) 105, Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey.
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  15. Ryan, David L. & Plourde, Andre, 2002. "Smaller and smaller? The price responsiveness of nontransport oil demand," The Quarterly Review of Economics and Finance, Elsevier, vol. 42(2), pages 285-317.
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Cited by:
  1. Lester C. Hunt & David L Ryan, 2014. "Economic Modelling of Energy Services: Rectifying Misspecified Energy Demand Functions," Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS) 147, Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey.
  2. Olutomi I Adeyemi & Lester C. Hunt, 2013. "Accounting for asymmetric price responses and underlying energy demand trends in OECD industrial energy demand," Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS) 142, Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey.

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