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Energy efficiency in the European Union: What can be learned from the joint application of directional distance functions and slacks-based measures?

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Author Info

  • Roberto Gómez-Calvet

    ()
    (Departament de Matemàtiques per a l’Economia i l’Empresa, Universitat de València, Spain)

  • David Conesa

    ()
    (Statistics and Operational Research Department, Universitat de València, Valencia, Spain)

  • Ana Rosa Gómez-Calvet

    ()
    (Business Finance Department, Universitat de València, Valencia, Spain)

  • Emili Tortosa-Ausina

    ()
    (Department of Economics, Universitat Jaume I, Castellón, Spain)

Abstract

Over the last few years there have been increasing concerns about the energy mix in many countries. These concerns have been of greater magnitude for countries with a common energy regulation such as European Union (EU) member states. In order to choose a given energy mix, an important aspect to take into account is the efficiency involved to generate it. In this context, the present study analyzes the efficiency with which electricity and derived heat is produced in 25 EU member states over the last decade. This is carried out considering not only the inputs and outputs involved but, more importantly, which undesirable by-products are generated during the production process, which is a relevant issue for the EU climate policy. To this end, two nonparametric frontier models are considered. First, a Directional Distance Function, based on Briec’s (1997) proposal and, second, a modified version of Tone’s (2001) Slack Based Measure (SBM) model, both of which are especially appropriate in this particular context due to its treatment of undesirable outputs. Results from both models show that there are remarkable efficiency differences among EU countries and, therefore, the initiatives aiming at harmonizing environmental policies have still to be intensified.

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Bibliographic Info

Paper provided by Economics Department, Universitat Jaume I, Castellón (Spain) in its series Working Papers with number 2013/17.

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Length: 44 pages
Date of creation: 2013
Date of revision:
Handle: RePEc:jau:wpaper:2013/17

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Keywords: Data Envelopment Analysis; European Union; efficiency; energy; slackbased measure;

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References

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Cited by:
  1. Ning Zhang & Jong-Dae Kim, 2014. "Measuring sustainability by Energy Efficiency Analysis for Korean Power Companies: A Sequential Slacks-Based Efficiency Measure," Sustainability, MDPI, Open Access Journal, vol. 6(3), pages 1414-1426, March.

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