数字新质生产力与制造业产业链现代化关系的实证检验OA北大核心CHSSCDCSSCICSTPCD

This paper combs the relationship between digital new-quality productivity and the modernization of manufactur-ing industry chain from the theoretical level,and selects the panel data of 30 provinces in China from 2012 to 2022 to empirically test the impact of digital new-quality productivity on the modernization of manufacturing industry chain.The research results go as the following:Digital new-quality productivity has a significant promoting effect on the modernization of manufacturing industry chain;the upgrading of industrial structure plays an intermediary role in the process of digital new-quality productivity promoting the modernization of manufacturing industry chain;the impact of digital new-quality productivity on the modernization of manu-facturing industry chain has a positive spatial spillover effect;the impact of digital new-quality productivity on the modernization of manufacturing industry chain shows an"east—middle—west"decreasing pattern and the empowerment effect of digital new-quality productivity on the innovation ability dimension of the modernization of manufacturing industry chain is the strongest.