Spatial Spillover Effects and Threshold Characteristics of Digital Economy's Impacts on Innovative Cities:Analysis Based on Panel Data from 281 Cities in China
This article examines the impact of the digital economy on innovative cities using panel data from 281 Chinese cities between 2011 and 2021.By applying baseline regression,threshold,and spatial econometric models,it analyzes the effects of the digital economy on innovative cities across multiple dimensions,including spatial spillover effects and threshold characteristics,while also exploring the moderating role of industrial structure upgrading.The findings indicate that the digital economy significantly enhances the development of innovative cities,with industrial structure upgrading playing a crucial role in amplifying the benefits of digital-driven urban innovation.The digital economy's impact on innovative cities shows nonlinear,marginally increasing charac-teristics and spatial spillover effects.Further analysis reveals distinct regional and temporal variations in the digital economy's role in promoting innovative city development.
digital economyinnovative cityindustrial structure upgradingspatial spillover effectthreshold characteristics
万方数据
