本文以农民工市民化的城乡二元经济结构转换为切入点,构建农民工市民化私人成本收益均衡系数模型,进行实证测算,并检验其城镇化促进效应.研究发现:(1)中国农民工市民化私人成本均衡系数小于1,市民化能够实现福利改进,但均衡系数总体呈上升趋势,即福利改进效应逐渐减小;(2)农民工市民化私人成本收益均衡存在地区差异,省内市民化均衡系数范围为0.74~1.0,省外市民化均衡系数范围为0.88~0.964;(3)农民工市民化私人成本收益均衡有利于提升城镇化水平,而城镇化促进效应呈现城镇化发展阶段性分化,以城镇化率70%为临界点,在城镇化率低于70%的情况下,市民化私人成本收益均衡对城镇化推动效应更大;(4)农民工市民化私人成本收益均衡的城镇化促进效应受地理区位因素影响.%As the citizenization of rural migrant workers involved in the change of dual economic structure in urban and rural areas,the paper built the equilibrium coefficient model between private cost and benefit of rural migrant workers and calculated empirically,verifying urbanization promotion effect of balance between cost and benefit.It is found that:(1)the equilibrium coefficient between private cost and benefit of Chinese rural migrant workers is less than one,and the citizenization can achieve while welfare improvement,but the overall equilibrium coefficient is on the rise,while welfare improvement effect is gradually decreased;(2)the equilibrium coefficient between private cost and benefit has regional differences,namely the equilibrium coefficient of intra-province citizenization ranges from 0.74 to 1.0,and the equilibrium coefficient of extra-province citizenization ranges from 0.88 to 0.964;(3)the balance between private cost and benefit can promote the urbanization level by different urbanization stages,and the push effect is bigger when the urbanization is less than 70%;(4)the urbanization effect of the balance between private cost and benefit is influenced by the geographical location factor.
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