Abstract

Innovation is crucial for countries to achieve their carbon peak and carbon neutrality goals. To explore how and to what extent innovation contributes to low-carbon development, this study utilizes data from 272 Chinese cities, applying both staggered difference-in-differences and spatial econometric approaches to comprehensively assess the direct and spatial spillover effects of China's innovative city pilot policy on urban low-carbon development. The findings are as follows: First, the innovative city pilot policy has reduced urban carbon intensity by 4.62 % and increased carbon total factor productivity by 3.03 %, with the effect being more significant in larger cities. Second, mechanism analysis indicates that the innovative city pilot policy primarily promotes urban low-carbon development through innovation financing and talent attraction, rather than optimizing industrial structures Third, spatial analysis reveals that the innovative city pilot policy has a low-carbon spillover effect, indicating it can promote low-carbon development in neighboring cities. Finally, this paper proposes policy recommendations for combining innovative city pilot policies with climate policies, focusing on the underlying mechanisms, and exploring cross-regional linkages.

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