Study on the impact of high level opening up to the outside world on the initial economy: the intermediary role of innovation based on key core technologies

Based on the panel data of 30 provinces in China from 2013 to 2023,this paper empirially tests the impact of high-level opening-p on the initial economy though a wariety of econometric models. The results show that the high level of opening to the outside world has a positive impact on the fist economy,and this efetistnge n the sten eggon, the regions with higher degree of informatization, and the regions with higher degre of marketization. The resuls of mechanism analysis show that high-level opening-up can effectively empower the initial economy by accelerating the innovation of key core technologies. The spatial spillover effet shows that high-level opening-up can play a positive spatial spillover efect cordingly,the paper puts forward stralegies such as expanding high- level opening to the outside world, creating a new ecological environment for the initial economy,and strengthening the top-level design of key core technology innovation, in order to provide reference for promoting the high-quality development of the initial economy.