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| The Spillover Effects and Collaborative Development of Regional Innovation Ecosystem of Yangtze River Delta Under the "Dual Circulation" Pattern |
| Zhang Jian1,Huang Kun2,Hu Yuexin1 |
| (1.School of Business,East China University of Science and Technology, Shanghai 200237, China;2.School of Economics and Management, Shanghai Maritime University,Shanghai 201306, China) |
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Abstract The Chinese government affirms that innovation has become the primary driving force and collaboration is an endogenous feature.At present, the high-quality integration of the Yangtze River Delta has been accelerated. It is urgent to promote greater openness and sharing through collaborative innovation to form the positive circle of a large domestic unified market. On this premise, the free, orderly, safe and convenient flow of essential factors would be promoted across borders and regions,the domestic and international markets would be promoted in better connectivity, and a collaborative model of mutual promotion of domestic and international dual circulation could be formed. A beneficial exploration of RIE collaborative development and its spillover effects in the Yangtze River Delta has been made in the existing research. However resource acquisition and utilization ability, the relationship competition and cooperation in RIE are ignored, which makes it unable to systematically explain the disequilibrium development in RIE; the existing research is inadequate in the visual analysis methods to present the collaborative development trend of regional sci-tech innovation,that is,space extension, gradient layout and dislocation development in the Yangtze River Delta RIE; the panel data of 27 cities in the central area of the Yangtze River Delta (abbrev. as 27 cities) is not mentioned, and the spillover effect of RIE collaborative development and its influencing factors in the development process of Yangtze River Delta community of sci-tech innovation are not explored.#br#Thus,from the perspective of RIE, this study takes 27 cities in the central area of the Yangtze River Delta as the research objects, and analyzes the trend of regional innovation integration and collaborative development, spillover effect and its influencing factors of RIE in the Yangtze River Delta. Firstly, it conducts a principal component analysis on the components of RIE. Secondly, with the scientific, comprehensive and data availability principles, the ecological niche evaluation index system of RIE collaborative development in the Yangtze River Delta under the dual circulation pattern is built from the perspective of the joint action of innovation community and environmental community.Thirdly,the niche model and fixed effect model of SDM are constructed. With the relevant statistical data of collaborative innovation in the Yangtze River Delta region during 2012-2020,visualization methods are used to deeply analyze niche width, suitability, momentum and overlap. Furthermore, the overall trend, regional differences and spatial agglomeration of the collaborative sci-tech development, and its spillover effect and influencing factors in the 27-city region are comprehensively analyzed to improve the development level of the Yangtze River Delta urban agglomeration during the "14th Five-Year Plan", and promote the collaborative and common progress of the Yangtze River Delta community of sci-tech innovation.#br#The medium and high-value areas of RIE niche suitability in the Yangtze River Delta present the trend of spatial agglomeration diverging from coastal to inland areas, with the spatial distribution characteristics of "northwest-southeast" around the central area of the G60 S&T innovation valley to form a spatial pattern of "geese array".There is an innovation spatial correlation of RIE in the Yangtze River Delta. The positive spatial correlation has been increasing year by year and the spatial spillover effect of collaborative development is significant. Moreover, the human capital, financial development and constraints of carbon peaking and carbon neutrality goals bring great impact on the spatial spillover effect. There are significant direct effects and spatial spillover effects of R&D investment for industrial enterprises above designated size. In order to successfully build the Yangtze River Delta community of sci-tech innovation,the government should promote R&D investment of industrial enterprises above designated size in the 27 cities of central China so that they can play an important role in the spin-off effect and demonstration to other areas. This paper provides empirical support for the further policy promotion of regional community of sci-tech innovation and the collaborative development of sci-tech innovation in urban agglomeration.#br#
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Received: 09 November 2022
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