Journal
EXPERT SYSTEMS WITH APPLICATIONS
Volume 38, Issue 10, Pages 12379-12387Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2011.04.017
Keywords
Data envelopment analysis; Meta-frontier; Environmental Kuznets curve; Pooling data
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Funding
- National Taiwan University
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This study employs data envelopment analysis approach to construct the meta-frontier global technical efficiency of energy use index and global technical efficiency of CO2 emission control index to measure the energy use efficiency and CO2 emission control efficiency at country level. Destruction of these efficiency indices into pure technical efficiency and scale efficiency sub-indices is to capture sources of inefficiency in relation to the development of an economy. The results indicate that for developed countries the enhancement of the pure technical efficiency in the energy use and the scale efficiency of CO2 emission control are important tasks to pursue. On the contrary, developing countries have to seek the improvement of the pure technical efficiency of CO2 emission control and scale efficiency of energy use. (C) 2011 Elsevier Ltd. All rights reserved.
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