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Energies 2011, 4(9), 1376-1390; doi:10.3390/en4091376
Article

Temporal and Spatial Analysis of Integrated Energy and Environment Efficiency in China Based on a Green GDP Index

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Received: 30 May 2011 / Revised: 18 July 2011 / Accepted: 5 September 2011 / Published: 9 September 2011
(This article belongs to the Special Issue Low Carbon Transitions Worldwide)
Download PDF [394 KB, 17 March 2015; original version 17 March 2015]

Abstract

China is experiencing a high speed economic development which may exert great pressure on the environment and energy systems. To measure the environmental and energy performance during the economic development process, this paper selected 30 provinces, cities or autonomous regions as the decision making unit (DMU), and proposed a Green GDP index (GGI) in view of energy intensity and pollution intensity using the generalized Data Envelopment Analysis (DEA) method, and the developing trends of integrated energy and environment efficiency of DMUs from 2006 to 2010 are also demonstrated by the Malmquist index. Results show that the integrated energy and environment efficiency varies for each DMU. GGI were both 1 in Beijing and Shanghai. GGI values for the developed cities in Eastern China, such as Guangdong, Fujian, Zhejiang, Tianjin, Jiangsu, and Hainan, ranked high, while those in the Northeast and Middle China remained relatively low. Moreover, there is a positive relationship between the GGI and per capita GDP with a correlation coefficient of 0.75. Increases in GGI are also observed in the results, representing great achievements are acquired in energy conservation and emission reduction. However, the GGIs do not converge to the green frontier across the provinces.
Keywords: integrated energy and environment efficiency; green GDP index; data envelopment analysis; Malmquist index integrated energy and environment efficiency; green GDP index; data envelopment analysis; Malmquist index
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.

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Lin, W.; Yang, J.; Chen, B. Temporal and Spatial Analysis of Integrated Energy and Environment Efficiency in China Based on a Green GDP Index. Energies 2011, 4, 1376-1390.

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