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<p>In accelerating the cultivation of new quality productive forces, strategic emerging industries (SEIs) have attracted increasing attention due to their substantial growth potential, characterized by high knowledge and technology intensity and relatively low consumption of physical resources. Using a sample of A-share listed SEI firms in Shanghai and Shenzhen from 2007 to 2023, this study matches firms to the city-level roster of the Smart City pilot program and constructs a quasi-natural experiment. We then employ a multi-period difference-in-differences (DID) model to systematically evaluate the impact of digital infrastructure development on the high-quality development of SEIs and to examine the underlying mechanisms. Findings reveal that digital infrastructure development enhances enterprises’ technological breakthrough capabilities and sustainable development capacity, thereby elevating the high-quality development level of strategic emerging industries. Subsequent analysis indicates that digital infrastructure construction plays a significant role in optimizing enterprises’ human capital structure, strengthening R&amp;D capabilities, and accelerating digital transformation. Heterogeneity tests indicate that the contribution of digital infrastructure is more pronounced among private enterprises, firms in central China, and non-manufacturing enterprises. This study not only enriches the evidence on the relationship between digital infrastructure and the high-quality development of strategic emerging industries in China, but also provides broader insights for other economies seeking to use digital infrastructure to promote innovation-driven industrial upgrading.</p>

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Accessing the digital future: digital infrastructure empowering high-quality development of strategic emerging industries

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月21日

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  • Wenxiu Hu,
  • Zuhui Xia,
  • Chengyu Li

摘要

In accelerating the cultivation of new quality productive forces, strategic emerging industries (SEIs) have attracted increasing attention due to their substantial growth potential, characterized by high knowledge and technology intensity and relatively low consumption of physical resources. Using a sample of A-share listed SEI firms in Shanghai and Shenzhen from 2007 to 2023, this study matches firms to the city-level roster of the Smart City pilot program and constructs a quasi-natural experiment. We then employ a multi-period difference-in-differences (DID) model to systematically evaluate the impact of digital infrastructure development on the high-quality development of SEIs and to examine the underlying mechanisms. Findings reveal that digital infrastructure development enhances enterprises’ technological breakthrough capabilities and sustainable development capacity, thereby elevating the high-quality development level of strategic emerging industries. Subsequent analysis indicates that digital infrastructure construction plays a significant role in optimizing enterprises’ human capital structure, strengthening R&D capabilities, and accelerating digital transformation. Heterogeneity tests indicate that the contribution of digital infrastructure is more pronounced among private enterprises, firms in central China, and non-manufacturing enterprises. This study not only enriches the evidence on the relationship between digital infrastructure and the high-quality development of strategic emerging industries in China, but also provides broader insights for other economies seeking to use digital infrastructure to promote innovation-driven industrial upgrading.