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Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

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The average environmental efficiency technique and its application to Chinese provincial panel data.

Jing Tang^1,2, Feng Yang¹, Fangqing Wei³

¹School of Management, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China.

Environmental Science and Pollution Research International

|February 3, 2022

Summary

This study introduces average environmental efficiency to assess Chinese provinces, revealing significant disparities and room for improvement. Key factors like energy structure and government intervention impact efficiency, necessitating tailored policy recommendations.

Keywords:

Average environmental efficiency Directional distance function Feasible generalized least squares Provincial panel data Regional environmental efficiency

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Area of Science:

Environmental Science
Economics
Regional Science

Background:

Traditional environmental efficiency measurements lack comprehensiveness and robustness.
Evaluating regional environmental performance is crucial for sustainable development.

Purpose of the Study:

To propose and apply a novel 'average environmental efficiency' metric for Chinese provinces.
To identify key determinants of regional environmental efficiency.
To offer targeted policy recommendations for enhancing environmental performance.

Main Methods:

Development of the average environmental efficiency measurement, considering all projection directions.
Application of feasible generalized least squares regression to analyze influencing factors.
Empirical analysis of Chinese provincial data from 2006 to 2017.

Main Results:

Only nine provinces exceeded the national average environmental efficiency.
Significant disparities in environmental efficiency were observed across provinces and geographical regions (East > West > Central > Northeast).
Energy consumption structure, government intervention, and economic openness were found to negatively impact environmental efficiency.

Conclusions:

Most Chinese provinces require substantial improvements in environmental efficiency.
Regional variations necessitate context-specific environmental policies.
Optimizing energy structure, enhancing government oversight, and managing foreign investment are critical for improving environmental efficiency.