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An investigation of issues relating to where energy should enter the production function

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  • Lecca, Patrizio
  • Swales, J Kim
  • Turner, Karen

Abstract

This paper examines the impact of imposing different separability assumptions in the specifications of the standard hierarchical KLEM production function in a computable general equilibrium (CGE) model. The appropriate means of introducing energy to sectoral production functions in CGE models has been a source of debate for a number of years. However, while modellers often subject their model results to sensitivy analysis with respect to the values associated with elasticities of substitution between inputs, it is rarely the case that the structure of the production function is subjected to testing. However, the chosen structure reflects the modeller's view about elasticity between different inputs and will have implications for model results wherever there are changes in relative prices. We illustrate our argument by introducing a simple demand shock to a CGE model of the Scottish economy (targetted at the energy supply sector) under different assumptions regarding the structure of the KLEM production function and separability assumptions therein. Specifically, we conduct both systematic and random parameter variation within alternative KLEM production structures, examining the impacts on a number of model outputs, though with primary focus on energy use in production. We find that if energy is introduced to the value-added rather than intermediates nest there is greater variation in energy use in production in response to the demand disturbance.

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Bibliographic Info

Paper provided by University of Stirling, Division of Economics in its series Stirling Economics Discussion Papers with number 2010-18.

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Date of creation: Dec 2010
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Handle: RePEc:stl:stledp:2010-18

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Postal: Division of Economics, University of Stirling, Stirling, Scotland FK9 4LA
Phone: +44 (0)1786 467473
Fax: +44 (0)1786 467469
Web page: http://www.econ.stir.ac.uk/
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Keywords: separability assumptions; KLEM production function; general equilibriu m;

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Citations

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Cited by:
  1. Hanley, Nicholas & Turner, Karen, 2010. "Energy Efficiency, Rebound Effects and the Environmental Kuznets Curve," Stirling Economics Discussion Papers 2010-17, University of Stirling, Division of Economics.
  2. Lecca, Patrizio & McGregor, Peter G. & Swales, J. Kim & Turner, Karen, 2014. "The added value from a general equilibrium analysis of increased efficiency in household energy use," Ecological Economics, Elsevier, vol. 100(C), pages 51-62.
  3. Koesler, Simon & Swales, Kim & Turner, Karen, 2014. "Beyond national economy-wide rebound effects: An applied general equilibrium analysis incorporating international spillover effects," ZEW Discussion Papers 14-025, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  4. Ha, Soo Jung & Lange, Ian & Lecca, Patrizio & Turner, Karen, 2012. "Econometric estimation of nested production functions and testing in a computable general equilibrium analysis of economy-wide rebound effec ts," Stirling Economics Discussion Papers 2012-08, University of Stirling, Division of Economics.
  5. Yazid Dissou & Lilia Karnizova & Qian Sun, 2012. "Industry-level Econometric Estimates of Energy-capital-labour Substitution with a Nested CES Production Function," Working Papers 1214E, University of Ottawa, Department of Economics.
  6. Garau, Giorgio & Lecca, Patrizio & Mandras, Giovanni, 2013. "The impact of population ageing on energy use: Evidence from Italy," Economic Modelling, Elsevier, vol. 35(C), pages 970-980.
  7. Steve Sorrell, 2014. "Energy Substitution, Technical Change and Rebound Effects," Energies, MDPI, Open Access Journal, vol. 7(5), pages 2850-2873, April.

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