Convergence of Energy Carbon Emission Efficiency: Evidence From Manufacturing Sub-sectors in China
Abstract With China's economy entering the stage of high-quality development, manufacturing energy carbon emission efficiency has become the focus of academic attention. Based on the panel data of China's manufacturing sub-sectors, this paper measures and analyzes the evolution trend of manufacturing energy carbon emission and its efficiency. On this basis, this paper uses coefficient of variation and convergence model to test the convergence of manufacturing energy carbon emission efficiency. The results show that China’s manufacturing energy carbon emissions and its efficiency show an increasing trend. The coal was the main source of manufacturing energy carbon emissions. The manufacturing energy carbon emission efficiency does not exist σ convergence, but exists β convergence, and its convergence exists industry heterogeneity. The manufacturing energy carbon emission efficiency exits scale effect and technology effect, but not the effect of opening to the outside world and institutional effect, and its effect exists industry heterogeneity. By reducing carbon emissions, adopting differentiated policies, adjusting the industry scale, and enhancing the industry technology intensity, China's manufacturing can improve the energy carbon emissions efficiency and promote high-quality economic development.