颠覆性技术创新的产业链溢出效应——基于创新质量视角

The Spillover Effects of Disruptive Technological Innovation in the Industrial Chain—Based on the Perspective of Innovation Quality

摘要:

颠覆性技术创新是推动现代产业转型升级的关键驱动力,但其在产业链中的创新溢出效应及内在作用机制仍有待深入探讨。基于中国上市公司的发明专利数据和产业链关联信息,从产业链视角系统考察颠覆性技术创新对上下游企业创新质量的影响,并进一步分析其作用机制与异质性特征。研究结果表明,上市公司的颠覆性技术创新在产业链中具有显著的创新溢出效应,但受产业链位置差异和颠覆性技术扩散特征的影响,该溢出效应呈现明显的非对称性,具体表现为前向溢出效应显著,而后向溢出效应不显著。机制分析发现,上述溢出效应主要通过技术轨道重构和技术融合深度两条路径促进下游企业创新质量的提升。异质性分析进一步表明,在技术吸收能力较强且企业规模较大的下游企业中,颠覆性技术创新的溢出效应更为显著;相较之下,股权集中度较高的下游企业对颠覆性技术创新的响应程度较弱。研究结论为深化理解颠覆性技术创新的产业链溢出效应及其传导机制提供了新的经验证据。

Abstract:

Disruptive technological innovation is regarded as a key driving force for modern industrial transformation and upgrading, yet its innovation spillover effects within the industrial chain and the underlying mechanisms remain insufficiently explored. Based on invention patent data and industrial chain linkage information of Chinese listed firms, the effects of disruptive technological innovation on the innovation quality of upstream and downstream firms were systematically examined from an industrial chain perspective, and the associated mechanisms and heterogeneity were further analyzed. The results indicate that disruptive technological innovation conducted by listed firms generates significant innovation spillover effects along the industrial chain. However, these spillover effects exhibit pronounced asymmetry due to differences in industrial chain positions and the diffusion characteristics of disruptive technologies. Specifically, a significant forward spillover effect is observed, whereas the backward spillover effect is not significant. Mechanism analysis shows that the spillover effects are mainly transmitted through technological trajectory reconstruction and increased technological integration depth, which contribute to the improvement of downstream firms’ innovation quality. Heterogeneity analysis further reveals that the spillover effects are more pronounced among downstream firms with stronger absorptive capacity and larger firm size, while a weaker innovation response is observed in downstream firms with higher ownership concentration. These findings provide new empirical evidence for understanding the innovation spillover effects of disruptive technological innovation within the industrial chain and their transmission mechanisms.