成渝地区双城经济圈数字经济发展水平与产业结构优化升级

利用2011—2019年成渝地区双城经济圈内16个城市的面板数据，采用固定效应和中介效应回归模型探讨数字经济发展水平与产业结构优化升级的关系。结果表明：数字经济发展水平对成渝地区双城经济圈产业结构优化升级有显著的正向促进作用；技术创新和人力资本结构对于数字经济发展水平影响产业结构高级化和产业结构合理化有显著的部分中介效应。基于研究结论，提出促进成渝地区双城经济圈数字经济发展和产业结构优化升级的政策建议。

The Development Level of Digital Economy and the Optimization and Upgrading of Industrial Structure in Chengdu-Chongqing Economic Circle

Based on the panel data of 16 cities in Chengdu-Chongqing economic circle from 2011 to 2019, the relationship between the development level of digital economy and the optimization and upgrading of industrial structure is explored by using fixed effect and mediation effect regression models.The results show that :the development level of digital economy has a significant positive effect on the optimization and upgrading of industrial structure in Chengdu-Chongqing economic circle.Technological innovation and human capital structure have significant partial mediating effect on the development level of digital economy, which affects the advanced industrial structure and rationalization of industrial structure. Based on the the conclusions, some policies and suggestions are put forward to promote the development of digital economy and the optimization and upgrading of industrial structure in Chengdu-Chongqing economic circle.