Volume 37, Issue 4 e12466
SPECIAL ISSUE PAPER

Study of haze emission efficiency based on new co-opetition data envelopment analysis

Xianhua Wu

Corresponding Author

Xianhua Wu

School of Economics and Management, Shanghai Maritime University, Shanghai, China

Collaborative Innovation Center on Climate and Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing, China

Correspondence

Xianhua Wu, School of Economics and Management, Shanghai Maritime University, China.

Email: [email protected]; [email protected]

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Yufeng Chen

Yufeng Chen

Management Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, China

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Peng Zhao

Peng Zhao

School of Computer and Software, Nanjing University of Information Science and Technology, Nanjing, China

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Ji Guo

Ji Guo

School of Economics and Management, Shanghai Maritime University, Shanghai, China

Collaborative Innovation Center on Climate and Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing, China

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Zhanxin Ma

Zhanxin Ma

School of Economics and Management, Inner Mongolia University, Hohhot, China

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First published: 27 August 2019
Citations: 10

Abstract

As haze intensifies in China, controlling haze emission has become the country's top priority for environmental protection. Because haze moves across different regions, it is necessary to develop a data envelopment analysis (DEA) model underpinned by both competition and cooperation to evaluate the haze emission efficiency in different provinces. This study innovatively adopts the spatial econometrics to construct the co-opetition matrices of Chinese provinces, then builds the co-opetition DEA model to evaluate the haze emission efficiency of them, and finally uses the haze data of 2015 as an example to assess the applicability of the model. The results of the study include the following: First, compared with the traditional CCR (A. Charnes & W. W. Cooper & E. Rhodes) model, this study constructs the co-opetition DEA cross-efficiency model that integrates haze's feature of cross-border moving; thus, it is more in line with the reality of haze emission and movement. Second, compared with the efficiency value gained from the CCR model, the haze emission efficiency values for Tianjin and Guangdong, two decision-making units, register greater variance when using the DEA model. The reason might lie in that they have a different spatial transportation relationship with their surrounding provinces. Third, the haze emission efficiency of provinces, according to the evaluation based on the co-opetition DEA method, varies greatly: Those with high efficiency are mostly inland provinces with slow economic growth and adverse climatic conditions, whereas many of the provinces with low efficiency are located in the relatively prosperous East China. The specific co-opetition DEA model constructed in this study enriches the research on the DEA model, which can be applied to the emission efficiency evaluation of similar pollutants around the world and can contribute empirical support to the haze reducing efforts of the government with its empirical results.

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