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

被引:103
作者
Arabi, Behrouz [1 ]
Munisamy, Susila [2 ]
Emrouznejad, Ali [3 ]
Shadman, Foroogh [4 ]
机构
[1] Univ Malaya, Inst Grad Studies, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Fac Econ & Adm, Kuala Lumpur 50603, Malaysia
[3] Aston Univ, Aston Business Sch, Birmingham B4 7ET, W Midlands, England
[4] Univ Malaya, Fac Engn, Kuala Lumpur 50603, Malaysia
关键词
Eco-efficiency measurement; Data envelopment analysis; Malmquist-Luenberger Index; DATA ENVELOPMENT ANALYSIS; DIRECTIONAL DISTANCE FUNCTIONS; ENVIRONMENTAL PERFORMANCE; UNDESIRABLE OUTPUTS; PRODUCTIVITY GROWTH; DEA APPROACH; PLANTS; SUSTAINABILITY; GENERATION; ALGORITHM;
D O I
10.1016/j.enpol.2014.01.016
中图分类号
F [经济];
学科分类号
02 ;
摘要
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. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:132 / 145
页数:14
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