What does this research mean for the field?

China's Yangtze River Delta regional integration strategy significantly promotes urban green innovation, particularly in cities with populations under 5 million, through improved information levels, increased government support, and stricter environmental regulations. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To investigate whether regional integration strategies drive urban green innovation and to uncover the underlying organizational and environmental mechanisms.

August 30, 2026Sustainable FuturesOpen Access

Does regional integration strategy promote green innovation? Evidence from China's Yangtze River Delta integration

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Authors

JYJian Yang JRJingxuan RenChinese Academy of Medical Sciences & Peking Union Medical College HTHui TianChongqing University of Posts and Telecommunications

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Implication

Quasi-experimental study demonstrates that regional integration promotes urban green innovation across Chinese cities, indicating policy alignment and information sharing foster sustainability.

Key Points

To investigate whether regional integration strategies drive urban green innovation and to uncover the underlying organizational and environmental mechanisms.
Treated the Yangtze River Delta integration rollout as a quasi-natural experiment.
Applied a multi-period difference-in-differences model to urban panel data spanning 2004 to 2020 across six provinces and one municipality in East China.
Evaluated intermediary transmission mechanisms utilizing the Technology-Organization-Environment (TOE) theoretical framework.
Regional integration significantly promotes urban green innovation, with more pronounced positive effects observed in cities with populations under 5 million.
Intermediary mechanism analysis reveals that the integration strategy drives green innovation through enhanced information infrastructure, expanded government support, and stricter environmental regulations.

Cite This Study

Yang et al. (2026) studied this question.

synapsesocial.com/papers/6a93f0b06c1a8fb52e79d0cc https://doi.org/10.1016/j.sftr.2026.102086

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Implication

Quasi-experimental study demonstrates that regional integration promotes urban green innovation across Chinese cities, indicating policy alignment and information sharing foster sustainability.

Does regional integration strategy promote green innovation? Evidence from China's Yangtze River Delta integration

Discussion

Member takes

Implication

Key Points

Cite This Study

Does regional integration strategy promote green innovation? Evidence from China's Yangtze River Delta integration

Discussion

Member takes

Implication

Key Points

Cite This Study

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