Digital Economy Development and Innovation in Cities and Regions: Empirical Evidence from 281 Prefecture Level Cities in China

GE Li-yu; MO Long-jiong; ZHANG Fang

Volume 37 Issue 5

Sep. 2022

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GE Li-yu, MO Long-jiong, ZHANG Fang. Digital Economy Development and Innovation in Cities and Regions: Empirical Evidence from 281 Prefecture Level Cities in China[J]. Journal of Guangdong University of Finance & Economics, 2022, 37(5): 18-30.

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GE Li-yu, MO Long-jiong, ZHANG Fang. Digital Economy Development and Innovation in Cities and Regions: Empirical Evidence from 281 Prefecture Level Cities in China[J]. Journal of Guangdong University of Finance & Economics, 2022, 37(5): 18-30.

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Digital Economy Development and Innovation in Cities and Regions: Empirical Evidence from 281 Prefecture Level Cities in China

Guangdong University of Finance & Economics, Guangzhou 528100, China

Received Date: 2022-02-13
Available Online: 2022-10-12
Publish Date: 2022-09-28

Abstract

Abstract

Based on the China's urban innovation regional index constructed by the enterprise big data research center of Peking University, this paper empirically investigates the causal relationship between digital economy development and urban regional innovation by using the economic development data of 281 prefecture level cities in China from 2011 to 2017. It is found that the development of digital economy has a significant positive impact on the innovation of China's urban areas, the conclusion being still valid after a series of robustness tests; government's investment in public science and technology, market financial credit investment and social human capital promotion are the main influence mechanisms of digital economy to promote China's urban regional innovation. Heterogeneity analysis shows that the positive effect of digital economy development on innovation is more significant in cities with low level of education, smaller cities and lower degree of marketization; the promotion of innovation in urban areas by the digital economy is characterized by significant spatial spillovers. This research not only enriches the theoretical mechanism of the impact of digital economy development on urban regional innovation, but also provides theoretical support and empirical experience for China's digital economy to promote high-quality development.
- digital economy,
- regional innovation,
- technology investment,
- digital finance,
- human capital,
- high-quality development

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References(21)

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