Power industry restructuring and eco-efficiency changes: A new slacks-based model in Malmquist-Luenberger Index measurement

Behrouz Arabi*, Susila Munisamy, Ali Emrouznejad, Foroogh Shadman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

112 Citations (Scopus)

Abstract

Measuring variations in efficiency and its extension, eco-efficiency, during a restructuring period in different industries has always been a point of interest for regulators and policy makers. This paper assesses the impacts of restructuring of procurement in the Iranian power industry on the performance of power plants. We introduce a new slacks-based model for Malmquist–Luenberger (ML) Index measurement and apply it to the power plants to calculate the efficiency, eco-efficiency, and technological changes over the 8-year period (2003–2010) of restructuring in the power industry. The results reveal that although the restructuring had different effects on the individual power plants, the overall growth in the eco-efficiency of the sector was mainly due to advances in pure technology. We also assess the correlation between efficiency and eco-efficiency of the power plants, which indicates a close relationship between these two steps, thus lending support to the incorporation of environmental factors in efficiency analysis.
Original languageEnglish
Pages (from-to)132-145
Number of pages14
JournalEnergy Policy
Volume68
DOIs
Publication statusPublished - May 2014

Keywords

  • Data envelopment analysis
  • Eco-efficiency measurement
  • Malmquist-luenberger index

ASJC Scopus subject areas

  • General Energy
  • Management, Monitoring, Policy and Law

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