| With the increasing intersection and integration of science and technology,the complexity of technological innovation is increasing day by day.The rapidly changing consumer demand of consumers makes the product research and development cycle shorter and shorter.Innovation by a single enterprise is far from meeting the requirements of the market for the speed,level and diversity of technological innovation.Therefore,by building or integrating into a healthy and efficient industrial innovation ecosystem,enterprises promote exchanges and cooperation among enterprises,gather and efficiently use a large number of innovation and development resources,and concentrate their efforts on technological product innovation.To achieve the improvement of their own innovation performance and long-term development has become the trend of the development of all industries.However,in the existing research,there are few studies on what kind of network characteristics of innovation ecosystem can better promote the improvement of enterprise innovation performance,and most of them are studied from the perspective of single network embedding.As the main perspective of studying enterprise innovation performance,the decoupling of cooperative network and knowledge network provides a new path for the research on the impact of existing network structure and innovation ecosystem enterprise innovation performance.Therefore,this study takes 180 supplier enterprises in the automobile industry in Zhejiang Province as the research sample.From the perspective of cooperation and knowledge dual network embedding,this paper studies the impact of network structure characteristics such as centrality,structure hole and network density on enterprise innovation performance in the innovation ecosystem,and discusses the regulatory role of network interaction in the relationship between centrality,structure hole,network density and enterprise innovation performance.It is expected to provide important guidance for enterprises to build or integrate into the innovation ecosystem,build an advantageous cooperation and knowledge network,accelerate the improvement of innovation performance,and support the long-term development of enterprises.In this study,Python was used to crawl 39098 patent data of Zhejiang automobile industry suppliers from 1996 to 2019 from the World intellectual property Organization patent search website,and the applicant and international patent classification information were used to depict the cooperation network and knowledge network of these enterprises.The data of cooperation network and knowledge network center,structure hole and network density of these enterprises are obtained by UCINET 6,and the cooperation network and knowledge network of automobile enterprises in Zhejiang Province are visually analyzed,and then regression analysis is carried out by SPSS 25.Through the analysis of the relevant data by using the method of social network analysis,it is found that the automobile industry in Zhejiang Province has basically formed an industrial innovation ecosystem with Zhejiang Geely Holdings Co.,Ltd and Wanxiang Group Co.,Ltd.as the core enterprises,the innovation ecosystem with Zhejiang Geely Holdings Co.,Ltd.as the core enterprise is relatively larger,and the types of cooperative innovation subjects involved are more abundant.At the same time,through the comprehensive use of social network analysis method and regression analysis method to analyze the cooperation and knowledge network of enterprises in the automobile industry of Zhejiang Province,it is concluded that in the innovation ecosystem,the centrality of cooperative network,the centrality of knowledge network and the structure hole of knowledge network positively affect enterprise innovation performance,while the density of cooperative network negatively affects enterprise innovation performance.The relationship between cooperative network structure hole,knowledge network density and enterprise innovation performance is not significant;network interaction plays a positive role in regulating the relationship between cooperative network centrality,cooperative network structure hole and knowledge network centrality,knowledge network structure hole and enterprise innovation performance;network interaction plays a negative role in regulating the relationship between cooperative network density and enterprise innovation performance.Network interaction has no obvious moderating effect between knowledge network density and enterprise innovation performance. |
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