The Impact of Intra-City and Inter-City Innovation Networks on City Economic Growth: A Case Study of the Yangtze River Delta in China

Xianzhong Cao, Bo Chen, Yi Guo and Zhenzhen Yi ()
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Xianzhong Cao: The Center for Modern Chinese City Studies, East China Normal University, Shanghai 200062, China
Bo Chen: The Center for Modern Chinese City Studies, East China Normal University, Shanghai 200062, China
Yi Guo: The Center for Modern Chinese City Studies, East China Normal University, Shanghai 200062, China
Zhenzhen Yi: The Center for Modern Chinese City Studies, East China Normal University, Shanghai 200062, China

Land, 2023, vol. 12, issue 7, 1-17

Abstract: Innovation networks promote regional innovation and economic growth. Using the patent data of cooperative inventions and the panel data of socio-economic statistics for 2010–2019, this study quantitatively analyzes the spatial structure evolution of intra-city and inter-city innovation networks for 41 cities in the Yangtze River Delta and their influence on economic growth. This study shows that these networks are increasingly connected and have a highly similar Z-shaped spatial structure. City economic growth is generally high, relatively stable, and mainly positively influenced by inter-city innovation networks. Intra-city innovation networks have no significant effect on economic growth; however, they are complementary to the inter-city ones.

Keywords: innovation networks; economic growth; spatio-temporal evolution; influence mechanism; Yangtze river delta (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2023
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