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Keywords: Patent co-Classification
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Journal Articles
Journal:
Journal of Intellectual Capital
Journal of Intellectual Capital (2026) 27 (4): 807–826.
Published: 20 November 2025
... This study uses patent and listed company data from Chinese prefecture-level cities from 2011 to 2023. Patent co-classification and text analysis methods are employed to measure the variables, and an empirical test is conducted using a double fixed-effects regression model to analyze the impact. Findings...
