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Final Energy Demand in Portugal: How Persistent it is and Why it Matters for Environmental Policy

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  • Alfredo M. Pereira
  • Jos� M. Belbute

Abstract

The objective of this paper is to examine the degree of persistence in final energy demand in Portugal. Our results suggest that when structural breaks are accounted for, aggregate energy demand and all of its components are stationary. Accordingly, the response to shocks is not permanent. We find, however, strong levels of persistence. Demand for electricity is the most persistent component of aggregate demand while the levels of persistence for petroleum and gas are similar and close to the aggregate level. In turn, demand for coal and biomass are also similar and the least persistent. These results have important implications for the design of macroeconomic policies. Indeed, high persistent levels mean that temporary energy shocks translate into persistent changes in energy demand and thereby in less transient shocks to the overall economy. These results are also important for the design of environmental policies. The fact that energy demand is highly persistent means that the effects of environmental policies will tend to be long lasting. Also, the relatively high persistence of electricity, gas and petroleum and the fact that their levels of persistence are similar suggests that fuel switching policies involving these fuels will be relatively easy to implement.

Suggested Citation

  • Alfredo M. Pereira & Jos� M. Belbute, 2014. "Final Energy Demand in Portugal: How Persistent it is and Why it Matters for Environmental Policy," International Economic Journal, Taylor & Francis Journals, vol. 28(4), pages 661-677, December.
    • Handle: RePEc:taf:intecj:v:28:y:2014:i:4:p:661-677
    DOI: 10.1080/10168737.2014.920896
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    Cited by:

    1. Belbute, José, 2013. "Does final demand for energy in Portugal exhibit long memory?," MPRA Paper 45717, University Library of Munich, Germany.
    2. Guevara, Zeus & Domingos, Tiago, 2017. "Three-level decoupling of energy use in Portugal 1995–2010," Energy Policy, Elsevier, vol. 108(C), pages 134-142.
    3. Lean, Hooi Hooi & Smyth, Russell, 2013. "Are fluctuations in US production of renewable energy permanent or transitory?," Applied Energy, Elsevier, vol. 101(C), pages 483-488.
    4. Avci-Surucu, Ezgi & Aydogan, A. Kursat & Akgul, Doganbey, 2016. "Bidding structure, market efficiency and persistence in a multi-time tariff setting," Energy Economics, Elsevier, vol. 54(C), pages 77-87.
    5. Borozan, Djula, 2017. "Testing for convergence in electricity consumption across Croatian regions at the consumer's sectoral level," Energy Policy, Elsevier, vol. 102(C), pages 145-153.
    6. Smyth, Russell, 2013. "Are fluctuations in energy variables permanent or transitory? A survey of the literature on the integration properties of energy consumption and production," Applied Energy, Elsevier, vol. 104(C), pages 371-378.

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    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices

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