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[Impact of Sustainable Development Policies in Resource-based Cities on the Synergy of Pollution Reduction and Carbon
1School of Statistics and Data Science, Xinjiang University of Finance and Economics, Urumqi 830012, China.
Abstract:
Against the backdrop of comprehensively advancing the construction of a Beautiful China, the importance and demonstrative role of sustainable development in resource-based cities have become increasingly prominent for achieving the goals of Chinese-style modernization. Using panel data from 270 Chinese cities from 2007 to 2023 as the research sample, this study employs the national sustainable development policies for resource-based cities as a quasi-natural experiment and applies a difference-in-differences (DID) model to empirically analyze the impact of these policies on the synergistic effects of pollution reduction and carbon emission reduction. The study further investigates the underlying mechanisms and heterogeneity of these effects. The findings reveal three key insights: Sustainable development policies in resource-based cities significantly enhanced the synergistic effects of urban pollution reduction and carbon emission reduction; these policies primarily exerted their influence through three channels-reducing energy consumption intensity, optimizing industrial structure, and stimulating green technological innovation; and the effects were more pronounced in cities located southeast of the Hu Line, non-growth-stage cities, highly industrialized cities, and cities with lower consumption levels. Based on these findings, we recommend continuously optimizing and deepening the policy framework for sustainable development in resource-based cities, with particular emphasis on strengthening supporting measures aimed at reducing energy consumption intensity and fostering green technological innovation. Meanwhile, differentiated and precision-targeted synergistic governance strategies for pollution reduction and carbon emission reduction should be implemented according to local conditions, fully considering variations in urban development stages and resource endowments to maximize policy effectiveness.
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