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基于城市建设用地扩张视角,采用土地城乡分割的两部门理论模型,应用面板分位数回归实证检验相关因素对于城乡收入差距的影响。研究表明:在全国层面,城市建设用地显著恶化了城乡收入差距。分区域来看,城市建设用地显著恶化了东部的城乡收入差距,且影响程度随城乡收入差距的扩大而增大。西部恰与东部相反。只有当城乡收入差距较严重时,中部城市建设用地才对其起到一定的抑制作用。当城乡收入差距处于中、低水平时,城市建设用地对其的影响不显著;农村与城市的比较劳动生产率和比较产出都能抑制城乡收入差距,但城市化对其影响较小,这些因素对城乡收入差距的影响都存在区域异质性。
Based on the perspective of urban construction land expansions, a two-part theoretical model of land urban-rural segmentation was used to test the influence of relevant factors on urban-rural income disparity by using panel quantile regression. Studies show that: at the national level, urban construction land has significantly deteriorated the income gap between urban and rural areas. In the subregion, the urban construction land significantly worsens the income gap between urban and rural areas in the east and the degree of influence increases with the widening urban-rural income gap. The west is exactly the opposite of the east. Only when the income gap between urban and rural areas is more serious, the use of land for urban construction in central China will have some restraining effect on it. When the income gap between urban and rural areas is at the middle and low levels, the impact of urban construction land on them is insignificant; the comparative labor productivity and the comparative output between rural and urban areas can restrain the income gap between urban and rural areas, but urbanization has less impact on them. The impact of urban-rural income disparity has regional heterogeneity.