SPATIAL CHARACTERISTICS AND DETERMINANTS OF CARBON EMISSION EFFICIENCY IN CHINESE ROAD FREIGHT ENTERPRISES

The highway transportation industry is an important component of the transportation industry and one of the key industries contributing to global climate change.To identify the carbon emission level of highway transportation enterprises, this article uses a set of panel data from China's highway and waterway transportation enterprises to calculate the carbon emissions from the movement of trucks in highway freight transportation enterprises.The research results indicate that: (1) both economic efficiency and carbon emission efficiency exhibit spatial agglomeration characteristics, but in 2021, the degree of spatial agglomeration decreased.(2) From 2020 to 2021, the carbon emission efficiency rankings of various regions remained relatively stable, with the western, eastern, central, and northeastern regions ranking in order of carbon emission efficiency; Due to the impact of COVID-19, the economic efficiency of various regions fluctuated to some extent in 2020-2021, and the fluctuation of unified efficiency was closer to the fluctuation of economic efficiency.(3) The results of the impact analysis on carbon emission efficiency are as follows: the faster the Internet develops and the more stringent the urban environmental requirements are, the higher the carbon emission efficiency of road transport enterprises will be; The more diversified the business model and the longer the transportation distance, the higher the carbon emission efficiency of the enterprises.