Author(s)

Tian Tian ¹, Hongbin Yuan ¹

Affiliation(s)

¹ School of China, Chongqing University of Posts and Telecommunications, Nanan District 400000, Chongqing Municipality, China

Corresponding Author

Hongbin Yuan

ABSTRACT

The logistics industry is a key sector supporting the national economy and plays a crucial role in the development of the Chengdu-Chongqing Twin-City Economic Circle. With the intensification of global environmental issues, the "dual carbon" goals have set higher requirements for the green development of the logistics industry, making the traditional high-investment, high-output logistics model increasingly incompatible with sustainable development objectives. Therefore, a scientific assessment of the current state and efficiency of regional green logistics is of great theoretical and practical significance for policymaking. This study focuses on the Chengdu-Chongqing Twin-City Economic Circle, measuring and analyzing green logistics efficiency from 2013 to 2022. Firstly, the current development of logistics within the region is analyzed, with an emphasis on energy consumption and carbon emissions; secondly, a green logistics efficiency evaluation index system is constructed, and static analysis is performed using the Super-SBM model; thirdly, the ML index is applied to analyze the dynamic changes from both temporal and spatial perspectives; finally, the regional heterogeneity of green logistics efficiency is explored. The results show that: (1) The green logistics efficiency of the Chengdu-Chongqing Twin-City Economic Circle has generally increased, with higher efficiency observed in the Chongqing region compared to the Sichuan region; (2) Temporal and spatial analysis indicates a growth in green total factor productivity, with technological progress being the primary driving factor; (3) Targeted improvement suggestions are proposed for different regions to promote overall green development in logistics and reduce regional disparities.

KEYWORDS

Chengdu-Chongqing Twin-City Economic Circle; Green Logistics Efficiency; Super-SBM Model; ML Index

CITE THIS PAPER

Tian Tian, Hongbin Yuan, Measurement of Green Logistics Efficiency in the Chengdu-Chongqing Twin-City Economic Circle of China. Industrial Engineering and Innovation Management (2025) Vol. 8: 108-117. DOI: http://dx.doi.org/10.23977/ieim.2025.080113.

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