流通数字化促进了共同富裕吗?——来自中国地级市的经验证据

Does digital circulation promote common prosperity?Evidence from prefecture⁃level cities in China

在理论分析流通数字化对共同富裕的影响及作用机理的基础上,结合2011—2019年我国256个地级市的面板数据,构建流通数字化和共同富裕的评价指标体系,运用熵值法测算各城市流通数字化水平和共同富裕水平,通过实证检验流通数字化对共同富裕的影响。研究发现:(1)流通数字化能促进共同富裕水平的提升,该结论在稳健性检验和内生性处理后仍成立,并且该促进作用具有动态持续性。(2)异质性分析表明,就流通数字化对共同富裕的促进作用程度而言,东部地区大于中西部地区,大城市大于中小城市,长江经济带地区大于非长江经济带地区,内陆城市大于沿海城市,不含贫困县城市大于含贫困县城市,城市群城市大于非城市群城市,高商业信用地区大于低商业信用地区,高创新能力地区大于低创新能力地区,高创业活跃度地区大于低创业活跃度地区。(3)影响机制分析表明,流通数字化会通过改善商业信用环境、提升创新能力和提高创业活跃度来促进共同富裕。(4)空间溢出效应分析表明,流通数字化与共同富裕存在空间集聚现象,流通数字化的发展对邻近城市的共同富裕存在正向空间溢出效应。

After conducting a theoretical analysis of the impact and mechanism of digital circulation on common prosperity,and combining the panel data of 256 prefecture⁃level cities in China from 2011 to 2019,the evaluation index system of digital circulation and common prosperity is constructed.The entropy method is used to calculate the level of digital circulation and common prosperity in each city,and the impact of digital circulation on common prosperity is tested through empirical analysis.The research reveals several key findings.(1)Digital circulation can promote the level of common prosperity.This conclusion is still valid after the robustness test and endogenous treatment,and the promotion is characterized by dynamic sustainability.(2)Heterogeneity analysis shows that as far as the promotion of digital circulation to common prosperity is concerned,the eastern regions are greater than the central and western regions;the big cities are greater than the small and medium⁃sized cities;the Yangtze River Economic Belt is greater than the non⁃Yangtze River Economic Belt;inland cities are greater than coastal cities;cities without poverty⁃stricken counties are greater than cities with poverty⁃stricken counties;the urban agglomeration cities are greater than the non⁃urban agglomeration cities;areas with high commercial credit are greater than areas with low commercial credit;areas with high innovation ability are greater than areas with low innovation ability;and areas with high entrepreneurial activity are greater than areas with low entrepreneurial activity.(3)The analysis of the influence mechanism shows that digital circulation will promote common prosperity by improving the business credit environment,enhancing innovation ability,and increasing entrepreneurial activity.(4)The analysis of the spatial spillover effect shows that the phenomenon of spatial agglomeration exists between digital circulation and common prosperity and that the development of digital circulation has a positive spatial spillover effect on the common prosperity of neighboring cities.