Taking the e-commerce industry in 31 provinces,regions,and cities in China from 2016 to 2021 as a sample,this paper calculates and identifies the production efficiency and influencing factors of the e-commerce industry by establishing a directional distance function DEA...MORE Taking the e-commerce industry in 31 provinces,regions,and cities in China from 2016 to 2021 as a sample,this paper calculates and identifies the production efficiency and influencing factors of the e-commerce industry by establishing a directional distance function DEA model and a regression model.The results show that,...