Measurement and Comparative Analysis of Green Total Factor Productivity in Yibin’s Manufacturing Industry Based on the Super-Efficiency SBM-Malmquist Index

Feng Liu

doi:10.54691/g8jjc834

Authors

Feng Liu

DOI:

https://doi.org/10.54691/g8jjc834

Keywords:

Yibin; Manufacturing Industry; Green Total Factor Productivity; Super-efficiency SBM; Malmquist Index.

Abstract

This study uses the super-efficiency SBM-Malmquist index framework to measure and decompose the green total factor productivity (MGTFP) of the manufacturing industry in Yibin and Sichuan Province from 2012 to 2022. It then compares the level and changing pattern of green development in Yibin’s manufacturing industry. The results show that Yibin’s manufacturing MGTFP increased steadily during the study period, with an average value of 1.5946, which was higher than Sichuan’s 1.1621. The average tfpch value in Yibin was 1.091, which corresponds to an average annual growth rate of about 9.10%, clearly higher than Sichuan’s values of 1.030 and 3.00%, respectively. The decomposition results indicate that technological progress and scale expansion were the main drivers of MGTFP growth in Yibin’s manufacturing industry, while the contribution of pure efficiency improvement was relatively limited. Based on these findings, greater efforts should be made to strengthen green technological innovation, improve resource allocation efficiency, and promote green coordinated transformation in key industries, so as to continuously improve the green and high-quality development of manufacturing.

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