An Empirical Analysis of Digital Economy Promoting the Double Circulation of the Yangtze River Delta Economy:From the Perspective of Industrial Structure Upgrading and Innovation Level
Digital economy and regional domestic and international dual circulation are important strategies to achieve high-quality eco-nomic development.To explore the relationship between the two,an empirical analysis was conducted based on the panel data of 41 cit-ies in the Yangtze River Delta region from 2011 to 2020.The results show that the promotion effect of the digital economy on domestic and international dual circulation is nonlinear,and the regional domestic and international dual circulation is promoted through the up-grading of industrial structure and the improvement of innovation level.The heterogeneity test shows that the digital economy plays a more significant role in promoting the dual circulation in the"Broadband China"demonstration sites and cities with a high degree of e-conomic development.Therefore,all regions should strengthen the construction of digital infrastructure,deepen the research and devel-opment and application of digital technologies,continue to cultivate innovation capabilities,and contribute to the construction of a new pattern of domestic and international dual-cycle development.
digital economydual circulationYangtze River Deltaindustrial structure upgradinginnovation
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