Evolutionary Mechanism of Green Technology Innovation Network in the Yellow River Basin
XIANG Bowen1, XU Ying2, XU Gaofeng3
1. School of Urban Design, Wuhan University, Wuhan 430072,China; 2. School of Architecture and Urban Planning, Huazhong University of Science and Technology, Wuhan 430074,China; 3. School of Architecture and Design, Beijing Jiaotong University, Beijing 100044,China
Abstract：To study the evolutionary mechanism of green technology innovation network in the Yellow River Basin, this study, using social network analysis and the index random graph model, analyzed the evolution characteristics and mechanisms of green technology innovation networks in the Yellow River Basin from 2011 to 2019. The findings are as follows: The scale and cooperation intensity of the innovation network continuously increased, with small-world and scale-free properties remaining significant, but connection closeness decreased. In the upstream Yellow River Basin, it transitioned from a single-core innovation cluster centered around Xi'an in Phase One (2011-2013) to three innovation clusters: Qinghai, Ning-Shaan-Yu, and Gan-Inner Mongolia-Jin in Phase Two (2017-2019). In the downstream region, single-core clusters around Jinan and Qingdao in Phase One integrated into the Shandong Peninsula Urban Agglomeration innovation cluster in Phase Two. Organizational and cultural proximity facilitate intercity innovation but also amplify provincial and cultural "boundary effects." City clusters and basin proximity did not create "boundary effects," but policy and basin proximity did not promote intercity cooperation. Geographic and technological proximity, city scale, innovation levels, and green innovation levels positively impact intercity innovation. This study's "proximity-boundary" analysis framework contributes to understanding innovation network impact mechanisms and provides theoretical and policy support for optimizing the green innovation system in the basin.
向博文, 徐颖, 徐高峰. 黄河流域绿色技术创新网络演化特征及其机制[J]. 复杂系统与复杂性科学, 2026, 23(1): 17-25.
XIANG Bowen, XU Ying, XU Gaofeng. Evolutionary Mechanism of Green Technology Innovation Network in the Yellow River Basin[J]. Complex Systems and Complexity Science, 2026, 23(1): 17-25.
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