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Trade in green patents: How do green technologies flow in China?

Author

Listed:
  • Ying Jiang

    (Southwest Jiaotong University
    Sichuan Key Laboratory of Service Science and Innovation)

  • Jin Xu

    (Southwest Jiaotong University
    Sichuan Key Laboratory of Service Science and Innovation)

  • Guofei Wang

    (Southwest Jiaotong University
    Sichuan Key Laboratory of Service Science and Innovation)

Abstract

Green technology transfer can help narrow the regional differences in green innovation, thereby contributing to a more coordinated green development. This study uses the social network analysis approach to explore the characteristics and regional differences in green technology diffusion in mainland China from 1985 to 2021. A unique dataset of patent transactions was used to construct green technology transfer networks. The findings demonstrate that energy-related technologies had the highest demand in the market. In addition, private sectors, especially multinational enterprises, were the most active network entities, whereas universities played a limited role in diffusion. Moreover, green patent transactions were highly localized and presented regional disparities. Resource-based regions with high pollution had lower green technology flows and formed a path dependence, whereas a few developed regions served as influential spreaders. The network exhibited a core-periphery pattern and dis-assortativity, thus creating a Matthew effect and widening the regional gaps. The absorbers and beginners tended to form connections with bilateral spillover, while peripheral provinces faced delinked risks. These findings help us understand the regional disparities and diffusion patterns of green technologies in China, thus accelerating the diffusion of green technologies.

Suggested Citation

  • Ying Jiang & Jin Xu & Guofei Wang, 2024. "Trade in green patents: How do green technologies flow in China?," The Journal of Technology Transfer, Springer, vol. 49(3), pages 823-856, June.
    • Handle: RePEc:kap:jtecht:v:49:y:2024:i:3:d:10.1007_s10961-023-10006-0
    DOI: 10.1007/s10961-023-10006-0
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    More about this item

    Keywords

    Green technology diffusion; China; Patent licensing; Patent assignment; Social network analysis;
    All these keywords.

    JEL classification:

    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • R11 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Regional Economic Activity: Growth, Development, Environmental Issues, and Changes
    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)
    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation

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