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University Knowledge Spillover, Intellectual Property Protection, and Innovation Performance: Evidence from Chinese High-Tech Enterprises

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  • Xinran Yang
  • Dashuai Huang
  • Bingfei Liu

Abstract

This study investigates how university knowledge spillovers and intellectual property (IP) protection jointly influence innovation performance in high-tech firms. Analysing an unbalanced panel dataset of China’s A-share listed companies (475 firms; 3,339 observations) and higher education institutions in Guangdong Province (2011–2020), we employ a Cobb-Douglas production function measured through total factor productivity. Empirical results reveal substantial heterogeneity in innovation levels across technology firms. Critically, university knowledge spillovers exhibit a significant positive effect on innovation performance, while IP protection exerts a negative moderating effect that attenuates spillover efficacy. These findings extend theoretical frameworks on knowledge spillovers and corporate innovation, refine understanding of IP governance trade-offs, and provide actionable evidence for corporate strategy and science policy design.

Suggested Citation

  • Xinran Yang & Dashuai Huang & Bingfei Liu, 2025. "University Knowledge Spillover, Intellectual Property Protection, and Innovation Performance: Evidence from Chinese High-Tech Enterprises," SAGE Open, , vol. 15(3), pages 21582440251, August.
    • Handle: RePEc:sae:sagope:v:15:y:2025:i:3:p:21582440251364044
    DOI: 10.1177/21582440251364044
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