城乡收入差距的时空演化及影响机制研究

——基于共富示范区浙江省的研究

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Abstract： The urban-rural income gap is an important observation point of common prosperity， and studying the spatial and temporal evolution of the urban-rural income gap and its influence mechanism can help to beter understand the path and realization mechanism of common prosperity. Based on the panel data of 11 prefecture-level cities in Zhejiang Province from 2012 to 2023，this paper first measured and analyzed the spatio-temporal evolution of the urban-rural income gap by using the Thiel index， and then constructed a nonlinear regression model to study the impact mechanism of the urbanrural income gap. The study showed that， the urban-rural income gap was decreasing both vertically and horizontally; the urban-rural income gap was mainly afected by the degree of agglomeration of the agricultural industry， and the latter's influence on the former showed a“U” shape of decreasing and then increasing; the level of economic development and the productivity of agricultural labor acted as the mediator variables， explaining the impact of the degree of agglomeration of the agricultural industry on the urban-rural income gap; and the level of economic development and agricultural labor productivity acted as the mediator variables. The level of economic development and agricultural labor productivity acted as intermediary variables to explain the intermediate transmisson process of agricultural industry agglomeration afecting urban-rural income gap; the heterogeneity analysis showed that， agricultural industry agglomeration played a more significant role in narrowing the urban-rural income gap in eastern Zhejiang， central Zhejiang and southwestern Zhejiang， whereas the marginal impact of the agglomeration saturation efect was weakened in the northern part of Zhejiang. Accordingly， the future should establish dynamic monitoring and threshold warning mechanism to avoid the negative externalities brought by excessve industrial agglomeration.At the same time，it should implement diferentiated regional regulation，accelerate the promotion of agricultural mechanization and smart technology， and set up a fund for urban-rural industrial collaboration to enhance the resilience of the rural economy， so as to narrow the income gap between urban and rural areas.

Keywords： urban-rural income gap; agricultural industry agglomeration; mutual enrichment; spacetime evolution; mechanisms of influence

党的二十大报告指出，“共同富裕是中国特色社会主义的本质要求”，因此实现共同富裕目标意义重大。（剩余10658字）