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Price and income elasticities of residential energy demand in Germany

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  • Schulte, Isabella
  • Heindl, Peter

Abstract

We apply a quadratic expenditure system to estimate price and expenditure elasticities of residential energy demand (electricity and heating) in Germany. Using official expenditure data from 1993 to 2008, we estimate an expenditure elasticity for electricity of 0.3988 and of 0.4055 for space heating. The own price elasticity for electricity is -0.4310 and -0.5008 in the case of space heating. Disaggregation of households by expenditure and demographic composition reveals that the behavioural response to energy price changes is weaker (stronger) for low-income (top-income) households. There are considerable economies of scale in residential energy use but scale effects are not well approximated by the new OEDC equivalence scale. Real increases in energy prices show a regressive pattern of incidence, implying that the welfare consequences of direct energy taxation are larger for low income households. The application of zero-elasticities in assessments of welfare consequences of energy taxation strongly underestimates potential welfare effects. The increase in inequality is 22% smaller when compared to the application of rich and disaggregated behavioural response patterns as estimated in this paper.

Suggested Citation

  • Schulte, Isabella & Heindl, Peter, 2016. "Price and income elasticities of residential energy demand in Germany," ZEW Discussion Papers 16-052, ZEW - Leibniz Centre for European Economic Research.
  • Handle: RePEc:zbw:zewdip:16052
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    More about this item

    Keywords

    energy consumption; price elasticities; expenditure elasticities;
    All these keywords.

    JEL classification:

    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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