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The Spatio-Temporal Evolution and Influence Mechanisms of Intercity Cooperation Networks from the Perspective of Sustainable Regional Development: A Case Study of the Pearl River–Xijiang Economic Belt, China

Author

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  • Ruochen Shi

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China)

  • Changsheng Sun

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China
    College of Architecture and Urban Planning, Tongji University, Shanghai 200092, China)

  • Chunying Zhang

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China)

  • Zhenwei Peng

    (College of Architecture and Urban Planning, Tongji University, Shanghai 200092, China)

Abstract

Intercity cooperation networks are critical for addressing regional imbalances and advancing sustainable regional development, yet existing studies typically focus on specific functional domains, rather than the overall intercity cooperation network. To bridge this gap, this study examines the intercity cooperation network in the Pearl River–Xijiang Economic Belt (21 cities, 2014–2023), analyzing its spatio-temporal evolution and influence mechanisms through Social Network Analysis (SNA) and partial least squares structural equation modeling (PLS-SEM). The results reveal the following: (1) the network has undergone three policy-driven development stages: initial–accelerated–steady; (2) a spatial pattern of “east—dominant, west—weak” has emerged, shaped by the radiating influence of core cities; and (3) institutional proximity and cooperation investment are key drivers of network formation, while geographical and organizational proximity exhibit negative impacts. These findings underscore the need for related regional development strategies to foster a more vital and open cooperation network. Overall, this study deepens the understanding of intercity cooperation by revealing its macro-level patterns and influence mechanisms, and provides practical implications for policymakers committed to promoting sustainable regional development.

Suggested Citation

  • Ruochen Shi & Changsheng Sun & Chunying Zhang & Zhenwei Peng, 2025. "The Spatio-Temporal Evolution and Influence Mechanisms of Intercity Cooperation Networks from the Perspective of Sustainable Regional Development: A Case Study of the Pearl River–Xijiang Economic Belt," Sustainability, MDPI, vol. 17(10), pages 1-19, May.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:10:p:4709-:d:1660229
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    References listed on IDEAS

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