Evolution of Inter-University Research Collaboration in the Chengdu–Chongqing Economic Circle (2005–2024): A Biblio-Metric Perspective

Tao Zhang (), Prachuab Tongsri () and Chakrit Ponathong
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Tao Zhang: Faculty of Education, Srinakharinwirot University, Bangkok 10110, Thailand
Prachuab Tongsri: Faculty of Education, Srinakharinwirot University, Bangkok 10110, Thailand
Chakrit Ponathong: Faculty of Education, Srinakharinwirot University, Bangkok 10110, Thailand

Publications, 2025, vol. 13, issue 4, 1-17

Abstract: The Chengdu–Chongqing Economic Circle (CCEC) represents a key regional development initiative in China. University research collaboration plays a vital role in advancing its innovation ecosystem and supporting sustainable growth. This study examines inter-university collaboration among 47 public universities in the CCEC based on 53,968 co-authored publications from 2005 to 2024. Using bibliometric and visualization techniques in CiteSpace 6.4.R2, it explores the structure and evolution of collaboration from institutional, thematic, and author perspectives. The results reveal a steady expansion of collaborative activities driven by national innovation strategies. Leading institutions such as Sichuan University, UESTC, and Chongqing University act as central hubs connecting diverse research communities. Collaboration has diversified from traditional fields toward interdisciplinary areas including materials, environmental science, and applied mathematics. Author networks are becoming more cohesive, reflecting stronger knowledge integration across universities. The study highlights how policy-driven collaboration fosters regional innovation capacity and provides evidence-based insights for strengthening university networks and advancing the CCEC’s role as a science and technology innovation hub in western China.

Keywords: Chengdu–Chongqing economic circle; inter-university collaboration; research networks; co-authorship analysis; bibliometric analysis; CiteSpace (search for similar items in EconPapers)
JEL-codes: A2 D83 L82 (search for similar items in EconPapers)
Date: 2025
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