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Sustainability 2015, 7(4), 4004-4021; doi:10.3390/su7044004

Metafrontier Environmental Efficiency for China’s Regions: A Slack-Based Efficiency Measure

1
School of Information Management College, Jiangxi University of Finance and Economics, Nanchang 330013, China
2
Institute of Management Science, Jiangxi Normal University, Nanchang 330022, China
3
Institute of Poyang Lake Eco-Economics, Jiangxi University of Finance and Economics, Nanchang 330013, China
*
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 1 February 2015 / Revised: 12 March 2015 / Accepted: 31 March 2015 / Published: 7 April 2015
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Abstract

A metafrontier slack-based efficiency measure is presented to measure environmental efficiency for various regions in China. The objective of the new approach is to investigate the change of environmental efficiency while incorporating group heterogeneities and all variable slack and environmental pollutants into environmental efficiency analysis. Global production technology is used to improve the discriminating power of environmental efficiency measurement. An empirical analysis of regional environmental efficiency is carried out incorporating sulfur dioxide emissions and the chemical oxygen demand (COD) of China’s regions from 2000–2011. Results indicate that excessive emissions pollution is the major cause of environmental inefficiency. Most of the regions return environmental efficiency values. Significant regional technology gaps in environmental efficiency are found between the east, central, and west areas. Finally, some policy implications are presented from the empirical results. View Full-Text
Keywords: data envelopment analysis; environmental efficiency; Chinese regions; metafrontier slack-based measure (MSBM) data envelopment analysis; environmental efficiency; Chinese regions; metafrontier slack-based measure (MSBM)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Mei, G.; Gan, J.; Zhang, N. Metafrontier Environmental Efficiency for China’s Regions: A Slack-Based Efficiency Measure. Sustainability 2015, 7, 4004-4021.

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