To reveal the theoretical logic and development level of agriculture and rural digitalization and greening collaboration(hereinafter referred to as “digitalization-greening collaboration”), this study constructs a measurement index system based on the internal logic of agriculture and rural digitalization-greening collaborative of “production-management-ecology-innovation-life”, measures the development level of agriculture and rural digitalization-greening collaboration and characterizes its spatio-temporal evolution characteristics by adopting the entropy weight method, improved coupling coordination model, Kernel density estimation and spatial Markov chain transition matrix, and examines the impact of agriculture and rural digitalization-greening collaborative development on rural residents’ income and its spatial spillover effects by constructing fixed effects model and spatial econometric model. The findings indicate that: 1) The development level of agriculture and rural digitalization-greening collaboration across the country and in each province is slowly rising and is still in the basic synergy stage. 2) The development level of agriculture and rural digitalization-greening collaboration shows a development pattern of “high in the east and low in the west”, and the speed of collaborative development shows the evolutionary characteristics of “continuous improvement in the east and rapid catching up in the central and western regions”. 3) Across the country, eastern and western regions, the absolute difference in the development level of agriculture and rural digitalization-greening collaboration is gradually narrowing, with the central region showing an expanding trend, and there is a polarization phenomenon within the region. The spatial transfer direction of the development level of agriculture and rural digitalization-greening collaboration is affected by neighboring provinces. 4) The collaborative development of agriculture and rural digitalization-greening significantly increases rural residents’ income, and there is a significant spatial spillover effect. In the future, efforts should be made to improve rural digital infrastructure, accelerate rural green transformation, promote the balanced development of agricultural and rural digitalization-greening collaboration according to local conditions, and fully release the diffusion effect of agricultural and rural digitalization-greening collaborative development.
式中:为常数项;为农村居民收入的空间自回归系数; W 为空间权重矩阵;为农村居民收入的空间滞后项;为农业农村数绿协同发展水平的空间滞后项;为控制变量的空间滞后项;为农业农村数绿协同发展水平的回归系数;为控制变量的回归系数;和分别为个体和固定效应;为空间相关的随机扰动项;为随机扰动项的空间自回归系数。当时为空间杜宾模型;时为空间滞后模型;时为空间误差模型。
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