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Spatio-temporal evolution characteristics of eco-efficiency in the Yellow River Basin of China based on the super-efficient SBM model

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Abstract

It is of great significance to study the trends and internal differences of eco-efficiency in the Yellow River Basin for ecological protection and high-quality development of the Yellow River Basin. According to the characteristics of the Yellow River Basin in China, the eco-efficiency evaluation system was constructed, and the super-efficiency slack-based measure (SBM) model and the super-efficiency SBM model of undesired output were used to calculate the eco-efficiency levels of provinces in the Yellow River Basin from 2005 to 2020, and the variation trend and internal differences were analyzed. The results show that when only the expected output was considered, the eco-efficiency of the Yellow River Basin as a whole and each province showed a fluctuating upward trend, but there were obvious differences. Qinghai Province, Sichuan Province, and Ningxia Autonomous Region had high eco-efficiency, while Shaanxi Province, Shanxi Province, and Inner Mongolia Autonomous Region had low eco-efficiency. Compared with only considering the expected outputs, eco-efficiency of Qinghai Province had improved significantly when considering non-expected outputs. The eco-efficiency of Shandong Province and Henan Province had improved significantly after 2016, while the eco-efficiency of the two provinces had decreased significantly before 2016. The eco-efficiency of Shaanxi, Shanxi, Inner Mongolia, Ningxia, and Gansu had declined to varying degrees. Finally, the reasons for the differences in eco-efficiency in various provinces in the Yellow River Basin were analyzed, and suggestions for improving the eco-efficiency of the Yellow River Basin were put forward.

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Acknowledgements

This paper benefited from years of thinking about these issues and the discussion with many colleagues related to economics at that time. In particular, we would like to thank the chief editor of this journal and the anonymous reviewers for their helpful comments on future drafts.

Funding

The research is supported by the National Social Science Foundation of China under grant 22BJY174, the National Natural Science Foundation of China under grant 71804089, the Humanities and Social Sciences Youth Foundation, Ministry of Education of the People’s Republic of China under grants 18YJCZH034 and 19YJC790128, and the Graduate Education Quality Improvement Project of Shandong Province in China under grants SDYKC19180 and SDYAL19180.

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Contributions

Chuanhui Wang: conceptualization, methodology, writing—original, and funding acquisition.

Weifeng Gong: writing—original, writing—review and editing, and project administration.

Mengzhen Zhao: methodology, writing—review and editing, and formal analysis.

Yuanlin Zhou: investigation and project administration.

Yu Zhao: investigation and formal analysis.

Corresponding author

Correspondence to Weifeng Gong.

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The authors declare no competing interests.

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Wang, C., Gong, W., Zhao, M. et al. Spatio-temporal evolution characteristics of eco-efficiency in the Yellow River Basin of China based on the super-efficient SBM model. Environ Sci Pollut Res 30, 72236–72247 (2023). https://doi.org/10.1007/s11356-023-27363-w

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