Regional eco-efficiency evaluation of China based on PCA-DEA model

doi:10.7523/j.issn.2095-6134.2015.04.014

Abstract

Abstract: In order to evaluate eco-efficiency of every province in China from 2004 to 2012, PCA-DEA model was applied. We found that the average of Chinese relative eco-efficiency was low and had no significant change mainly due to technical inefficiency, but the scale efficiency had shifted to technical efficiency since 2011. Although the eco-efficiency disparities between different provinces were obvious, the disparities had decreasing tendency. In contrast, regional disparity of eco-efficiency in the east region tends to expand. Accordingly, policy incentives are suggested to improve the regional eco-efficiency.

Key words: eco-efficiency, PCA-DEA model, regional variation

CLC Number:

F124
F205

WANG Min, ZHANG Xiaoping. Regional eco-efficiency evaluation of China based on PCA-DEA model[J]. , 2015, 32(4): 520-527.

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