Innovation is an important engine driving economic growth.Exploring whether the digital economy can be the driving force for the improvement of urban innovation efficiency is of great significance for China to achieve high-quality development.In order to fur-ther understand this relationship,this paper empirically examined the impact of digital economy on urban innovation efficiency by con-structing an econometric model based on the panel data of 278 cities of prefecture level and above in China from 2011 to 2021.The re-sults show that in general,digital economy effectively promotes the improvement of urban innovation efficiency,and the flow of innova-tion factors effectively enhances this promotion effect;the influence of digital economy on urban innovation efficiency has a spatial spill-over effect and is different under different spatial weight matrices.Digital economy has different impacts on urban innovation efficiency due to different levels of economic development.
digital economyinnovation factor flowinnovation efficiency
NETL
NSTL
万方数据
