| Logistics industry is an important bridge and link between production and consumption.As a modern economic gas pedal,injecting new vitality into the development of the national economy.For a long time,the rugged development mode of high input,high energy consumption,high emission and low efficiency has brought considerable economic increment to a certain extent,but has brought great challenges to environmental protection and sustainable development.Logistics industry to meet the challenge of "double carbon" target,to achieve low carbon transformation is the new requirements given by the times to the development of logistics,to promote green logistics to better serve the high quality development of the economy is the only way to sustainable development.In this context,it is particularly urgent to improve green total factor productivity as the leading transformation of the logistics industry.It is with this in mind,from a green total factor productivity perspective,based on scientific calculations of energy consumption and carbon dioxide emissions,in order to estimate the energy efficiency and green total productivity levels of China’s logistics industry between 2010 and 2019 from a static and dynamic perspective,an SBM-directional distance function and Malmquist-Luenberger productivity index model were constructed.Combining the Dagum Gini coefficient,Kernel density estimation α-convergence method,absolute β-convergence metond and conditional-c β onvergence method to comprehensively examine the regional differences and convergence characteristics of green total factor productivity in China’s logistics industry,reveal the spatial pattern and evolutionary trend of green total factor productivity in the logistics industry,and provide relevant policies to promote resource conservation,environmental protection and eco-efficiency for synergistic promotion and sustainable development the scientific basis is provided.The main conclusions are below:(1)The energy consumption and carbon emissions of China’s logistics industry show a steady rise,with huge differences in energy consumption and carbon emissions between regions and a certain degree of heterogeneity.The carbon intensity of the nation’s overall logistics industry is declining,with energy intensity decreasing year over year in the east and central regions,and increasing slightly in the west.The characteristics of the rough development of the logistics industry are weakening.At the same time,the carbon emissions of China’s logistics industry are not randomly and haphazardly distributed in space,but have certain spatial clustering characteristics.(2)The energy efficiency of China’s logistics industry is gradually improving,but the degree of coordinated development of resources,environment and economy still needs much improvement and the problem of unbalanced and uncoordinated development in different regions is very pronounced.The green total factor productivity of China’s logistics industry has generally not shown a steady upward trend,and there is a decline in local years,and the technical progress and technical efficiency improvement fluctuate frequently."Twelfth Five-Year Plan" to "Thirteenth Five-Year Plan" period of China’s logistics industry development has realized the change from coordinating various production factors to technology-driven.(3)The overall relative difference of green total factor productivity in China’s logistics industry is slightly reduced,but it is always in a non-stable situation of repeated fluctuations.In terms of intra-regional variation,the differences are greatest in the West and least in the East.The difference between the east and west zones is the greatest,and the gap is still widening.The super-variable density is the main source of the overall difference,and the inter-regional difference gradually replaces the cross-overlap as the main source of the overall difference over time.The phenomenon of inter-regional variation gradually replaces cross-overlap as the main source of overall variation.(4)The center of the dynamic distribution curve of green total factor productivity in China’s logistics industry gradually shifts to the right,and there is a right trailing and polarization phenomenon in the dynamic distribution curve of the western region,indicating that the absolute difference between the high level and the average level of green total factor productivity gradually expands,with an obvious gradient effect;the eastern region shows a "bimodal" distribution characteristic,and the absolute internal difference gradually increases.In the central region,there is no regional differentiation and absolute intra-regional disparities have decreased.(5)The green total factor productivity of logistics industry does not show obviousα-convergence characteristics,but there is both absolute β-convergence and conditional β-convergence.The low level of logistics development is constantly catching up with the developed regions.Improving the level of input,urbanization and opening-up helps reduce the internal differences in the western region.The level of specialization has a positive pulling effect on the final convergence of green total factor productivity of logistics industry in each region to its own steady state level.The relevant policies of the logistics industry in western China provide scientific basis.Finally,based on the findings and conclusions,four policy recommendations are proposed,such as "localization,internal and external balance,regional synergy,integration and reform,cost reduction and efficiency,innovation-driven,and double efficiency",in order to provide decision support for the healthy and sustainable development of China’s logistics industry. |
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