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The digital economy is developing rapidly as a new economic form of a new round of technological innovation and industrial transformation.A comprehensive assessment of the impact of the digital economy on regional economic growth has important theoretical and practical significance.Adopting principal component analysis to construct a provincial digital economy development indicator system from the four dimensions of information foundation, internet integration, digital talents and digital technology output, and empirically studies the effect path and heterogeneity of the digital economy on regional economic growth by analyzing provincial panel data of 2010—2019 years in China.The conclusions are as follows: the digital economy has a significant role in promoting regional economic growth, and after considering endogenous, the conclusion is still robust.Furthermore, quantile regression shows that the digital economy has a large and significant impact on regional economic growth at low quantiles, and the impact of the digital economy on regional economic growth at high quantiles is laughable and weakly significant.Taking into account the nonlinear effect of the digital economy on regional economic growth, the regression results of the panel threshold model show that, the digital economy has a single threshold effect on regional economic growth and its positive effect on economic growth will be significant only when the digital economy exceeds a single threshold.Considering the objectively existing location factors and regional characteristic differences, it is found that the digital economy has a more obvious positive effect on the economic growth of the central and western regions, areas with low urbanization rates and high material capital investment.Finally, using the intermediary effect model to explore the role of digital economy affecting regional economic growth, the mechanism identification test found that the digital economy can promote economic growth through independent intermediary channels that promote the upgrading of industrial structure and total factor productivity and the chain-type intermediary channels of “industrial structure upgrade-total factor productivity improvement”.
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① 中国信息通信研究院：《中国数字经济发展白皮书(2021年)》。
(1)四大经济区分别是:东部经济区(京、津、冀、苏、沪、浙、鲁、闽、粤、琼)、中部经济区(晋、豫、鄂、湘、赣、皖)、西部经济区(蒙、桂、陕、甘、青、宁、新、川、渝、云、贵、藏)以及东北经济区(黑、吉、辽)。
Basic Information:
China Classification Code:F49;F127
Citation Information:
[1]ZHANG Shao-hua,CHEN Zhi.Research on Mechanism Identification and Heterogeneity of Digital Economy and Regional Economic Growth[J].Journal of Statistics and Information,2021,36(11):14-27.
Fund Information:
国家社会科学基金一般项目“中国创新资源与区域产业结构的空间错配及修正机制研究”(16BGL207)
2021-03-14
2021
2021-05-17
2021-11-15
2021
1
2021-11-10
2021-11-10