RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2021, Vol. 30 >> Issue (9): 2061-2069.doi: 10.11870/cjlyzyyhj202109002

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Structural Characteristics and Optimization Strategies of Green Technology Innovation Network in the Yangtze River Delta

SHANG Yong-min 1，WANG Zhen 2，MI Ze-feng 3，LIN Lan 4   

  1. (1. Institute of Ecology and Sustainable Development, Shanghai Academy of Social Sciences, Shanghai 200020, China; 2. Shanghai Academy of Social Sciences, Shanghai 200020, China; 3. School of Economics, Zhejiang University of Technology, Hangzhou 310014, China; 4. Institute of Urban and Population Development, Shanghai Academy, Social Sciences, Shanghai 200020, China)
  • Online:2021-09-20 Published:2021-09-27

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Abstract: As the important part of the regional technology innovation system, green technology innovation is an important driving force for maintaining the sustainability of regional development and enhancing regional competitive advantages. Based on the research perspective of regional integration, this paper analyzes the green technology innovation network in the Yangtze River Delta by collecting data on green technology patent cooperation and green technology transfer in the Yangtze River Delta and using the Gephi complex network analysis method. The results show that:（1) The green technology innovation network in the Yangtze River Delta is less developed, and a large number of cities are marginalized in green technology innovation network. (2) Green technology innovation relies on knowledge interaction among innovation entities, and geographical proximity promotes the innovation cooperation and knowledge diffusion.（3) The “strong-strong connection” and “core-edge” structural characteristics of the Yangtze River Delta green technology innovation network are obvious. The patent cooperation network presents a multi-center pattern of “one super, many strong”, and the green technology transfer network presents a single center pattern.（4) Under the regional integration, the Yangtze River Delta green technology innovation network has both proximity and hierarchical characteristics, and different types of cities should participate in innovation network differently. Thus, this paper proposes suggestions for optimizing the green technology innovation network in the Yangtze River Delta. The innovations points of this paper are as follows: first, the relationship between regional integration and technological innovation network is established. Second, the spatial organization of green technological innovation is discussed. Third, the importance of geographic proximity to the green technological innovation network is emphasized.

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