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Rural-to-urban migration in developing economies: characterizing the role of the rural labor supply in the process of urban agglomeration and city growth

机译:发展中经济体的农村对城市迁移:对城市集群和城市增长过程中农村劳动力供应的作用

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This paper aims to contribute to the literature on rural-to-urban migration in developing economies by shedding more light on the hitherto little-investigated linkage between the rural sector and the process of urban development. To this end, we combine existing spatial rural-to-urban migration frameworks and extend them by including some key assumptions of the urban development theory. Specifically, we construct a dynamic rural-to-urban migration model in which the links between the urban and rural areas are modeled using the spatial variables of rural land rents and an urban productivity spillover, in order to investigate the contribution of the rural labor supply to urban agglomeration and city growth. The results of our model indicate that rural land rents affect the optimal level of urban agglomeration in scenarios of both unplanned and planned migration, and that the city planner's solution of optimal agglomeration may not necessarily be inferior to the market solution. In addition, we find that due to their impact on rural workers' incomes, the spatial variables exert an influence on the steady-state level of growth to which the urban economy can converge. Our study bears policy implications, including the need for city planners to consider spatial variables in order to achieve the desired trade-off between city growth and urban agglomeration.
机译:本文旨在通过在农村部门与城市发展进程之间的迄今为止调查的联系中,为发展经济体的农村对城市迁移的文献贡献。为此,我们将现有的空间对城市移民框架结合起来,并通过包括城市发展理论的一些关键假设来扩展它们。具体而言,我们构建了一种动态的农村到城市移民模型,其中城市和农村地区之间的联系采用农村土地租金的空间变量和城市生产力溢出,以调查农村劳工供应的贡献城市集聚和城市增长。我们模型的结果表明,农村土地租金影响了意外和计划迁移方案中城市集群的最佳水平,城市规划师对最佳集聚的解决方案可能不一定不如市场解决方案。此外,我们发现由于它们对农村工人收入的影响,空间变量对城市经济可收敛的稳态增长水平产生影响。我们的研究承担政策影响,包括城市规划人员需要考虑空间变量,以便在城市增长和城市集中之间实现所需的权衡。

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