数字经济、全国统一大市场与产业链现代化OA北大核心CHSSCDCSTPCD

As an important engine leading global economic transformation,digital economy plays a crucial role in promoting the modernization of industrial chain.This paper selects the panel data of 31 provinces in China from 2011 to 2021 to explore the impact of digital economy on the modernization of industrial chain,and examines the transmission mechanism and threshold effect of this impact from the perspective of the national unified market.The results are shown as the following:Digital economy helps to promote the modernization of industrial chain.In terms of dimensions,the promotion effect of digital foundation on the moderniza-tion of industrial chain is significantly stronger than that of digital innovation,while the promotion effect of digital application is not obvious.Digital economy can promote the modernization of industrial chain by promoting the construction of a national unified market.With the continuous improvement of the construction level of a national unified market,the role of digital economy in pro-moting the modernization of industrial chain has significantly increased.Heterogeneity analysis finds that compared with the west-ern region,digital economy in the eastern and central regions has a more significant promoting effect on the modernization of in-dustrial chain.