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With the accelerated advancement of the new technological revolution, the rapid rise of the digital economy has injected new vitality into China's economy for high-quality development. This study focuses on 30 provinces in China from 2011 to 2022, using the Super-SBM model and entropy weight method to construct indicators for green innovation efficiency and digital economic development, and the panel data model is utilized to explore whether digital economic development has a promotional effect on regional green innovation efficiency. The findings indicate that the digital economy can significantly enhance regional green innovation efficiency overall, with its marginal benefits in an increasing phase. Heterogeneity tests reveal a significant positive promotion effect of the digital economy on the green innovation efficiency of the eastern and economically developed regions, with a notably higher promotion effect in the central region compared to the eastern region. Conversely, the digital economy exhibits a significant inhibitory effect on the green innovation efficiency of the western and underdeveloped regions. Based on these results, this paper proposes accelerating China's digital economic development and implementing a differentiated digital development strategy to promote regional green innovation efficiency.
Chengyue Shen (Wed,) studied this question.