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<p>Under the digital wave, urban governance faces new opportunities and challenges. This study investigates the impact of digital governance on urban environmental quality among RCEP member countries through comprehensive theoretical and empirical analysis. Using a novel evaluation index system, environmental performance is measured by air quality index (AQI), carbon emission allowance (CEA), and renewable energy usage rate (REUR), with digital governance policies as the core variable. Employing difference-in-differences analysis with panel data from 2013 to 2023, this study finds that digital governance significantly improved air quality, while showing non-significant downward trends for carbon emission allowances and a significant positive effect on renewable energy usage rates in the baseline analysis, but a negative effect when trade openness is below the threshold. Mediation effect analysis reveals that industrial structure optimization and technological innovation serve as crucial transmission channels. Threshold effect analysis demonstrates that trade openness (threshold: 0.55) significantly moderates the digital governance-environment relationship, with differential policy effectiveness above and below this threshold. These findings provide targeted policy implications for developing economies: implementing differentiated strategies based on trade openness levels, strengthening regional cooperation mechanisms, and coordinating industrial transformation with innovation ecosystem development.</p>

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How digital governance influences urban environmental quality: a difference-in-differences analysis of RCEP member countries

  • 期刊论文

  • 发表日期：

    2026年5月2日

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  • Yuexin Chen,
  • Xiaolong Guo

摘要

Under the digital wave, urban governance faces new opportunities and challenges. This study investigates the impact of digital governance on urban environmental quality among RCEP member countries through comprehensive theoretical and empirical analysis. Using a novel evaluation index system, environmental performance is measured by air quality index (AQI), carbon emission allowance (CEA), and renewable energy usage rate (REUR), with digital governance policies as the core variable. Employing difference-in-differences analysis with panel data from 2013 to 2023, this study finds that digital governance significantly improved air quality, while showing non-significant downward trends for carbon emission allowances and a significant positive effect on renewable energy usage rates in the baseline analysis, but a negative effect when trade openness is below the threshold. Mediation effect analysis reveals that industrial structure optimization and technological innovation serve as crucial transmission channels. Threshold effect analysis demonstrates that trade openness (threshold: 0.55) significantly moderates the digital governance-environment relationship, with differential policy effectiveness above and below this threshold. These findings provide targeted policy implications for developing economies: implementing differentiated strategies based on trade openness levels, strengthening regional cooperation mechanisms, and coordinating industrial transformation with innovation ecosystem development.