Research on Digital Economy,Service Sector Efficiency and High-Quality Development
Digital economy,as a novel catalyst for national economic growth,plays a pivotal role in promoting high-quality economic development within China.This study assesses the level of digital economy and high-quality development across 31 provinces in China from 2011 to 2020,and analyzes spatial spillover effect,intermediary effect,and threshold effect of digital economy and high-quality development with a breakthrough point in service in-dustry efficiency.Empirical analysis demonstrates that digital economy significantly promotes high-quality develop-ment and exhibits spatial spillover effects on high-quality development of neighboring regions with notable regional heterogeneity.Intermediary effect test reveals that service sector efficiency is a crucial mechanism through which digit-al economy fosters high-quality development.Furthermore,threshold effect test indicates that digital economy has a singular threshold effect on high-quality development,and its impact substantially enhances once above the thresh-old.Consequently,this paper recommends that we should increase penetration rates of digital economy in service sec-tor,promote digital technology innovation of service sector,expedite digital infrastructure construction in western re-gions,and achieve both industrial digitization and digitized industrialization.
digital economyservice sector efficiencyhigh-quality developmentmediating effectthreshold effect
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