摘要
在测度我国省级数字经济发展水平的基础上,利用2011—2018年30个省份的面板数据,就数字经济对区域创新绩效的影响机制、效应和区域异质性进行实证检验。结果表明,数字经济的快速发展能够显著推动我国区域创新绩效的提升,还可以通过加速人力资本的积累和研发资本的投入间接提升区域创新绩效;采用门槛模型发现,数字经济对区域创新绩效的促进作用还呈现出显著的"边际效应"非线性递增特征;数字经济对区域创新绩效的积极影响存在着明显的区域异质性,相比于中西部地区,东部地区获得了更多的数字经济创新溢出红利。
On the basis of measuring the development level of provincial digital economy in China,the paper used the panel data of 30 provinces from 2011 to 2018 to empirically test how digital economy having affected regional innovation performance,including influencing mechanism,domino effect and regional heterogeneity.The results showed that the rapid development of digital economy could significantly promote the improvement of regional innovation performance in China,and it could also indirectly improve regional innovation performance by accelerating the accumulation of human capital and the investment of R&D capital.After applying threshold model,the mentioned improving effect had a significant non-linear increasing characteristic of"marginal effect".The positive impact of digital economy had obvious regional heterogeneity,and comparing with the central and western regions,eastern region had obtained more overflow dividend from digital economic innovation.
作者
李雪
吴福象
竺李乐
LI Xue;WU Fu-xiang;ZHU Li-le(School of Economics,Nanjing University,Nanjing 210093,China)
出处
《山西财经大学学报》
CSSCI
北大核心
2021年第5期17-30,共14页
Journal of Shanxi University of Finance and Economics
基金
国家社会科学基金项目(20&ZD123)
国家自然科学基金项目(72073061)
关键词
数字经济
区域创新绩效
非线性效应
区域异质性
中介效应
digital economy
regional innovation performance
non-linear effect
regional heterogeneity
mediation effect