CO2 emissions reduction of Chinese light manufacturing industries: a novel RAM-based global Malmquist-Luenberger productivity index

Ali Emrouznejad, Guo-liang Yang

Research output: Contribution to journalArticle

Abstract

Climate change has become one of the most challenging issues facing the world. Chinese government has realized the importance of energy conservation and prevention of the climate changes for sustainable development of China's economy and set targets for CO2 emissions reduction in China. In China industry contributes 84.2% of the total CO2 emissions, especially manufacturing industries. Data envelopment analysis (DEA) and Malmquist productivity (MP) index are the widely used mathematical techniques to address the relative efficiency and productivity of a group of homogenous decision making units, e.g. industries or countries. However, in many real applications, especially those related to energy efficiency, there are often undesirable outputs, e.g. the pollutions, waste and CO2 emissions, which are produced inevitably with desirable outputs in the production. This paper introduces a novel Malmquist-Luenberger productivity (MLP) index based on directional distance function (DDF) to address the issue of productivity evolution of DMUs in the presence of undesirable outputs. The new RAM (Range-adjusted measure)-based global MLP index has been applied to evaluate CO2 emissions reduction in Chinese light manufacturing industries. Recommendations for policy makers have been discussed.

Original languageEnglish
Pages (from-to)397-410
Number of pages14
JournalEnergy Policy
Volume96
Early online date18 Jun 2016
DOIs
Publication statusPublished - Sep 2016

Bibliographical note

© 2016, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • data envelopment analysis
  • directional distance function (DDF)
  • energy efficiency
  • range-adjusted measure (RAM)
  • DEA

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