The State of the Art in Modeling Migration in LDCS: A Comment
梳理了欠发达国家移民建模的现状，对比了早期一般均衡模型与近期基于城市土地模型的局部均衡分析，并提出了融合两种文献的未来研究方向。
Early research on migration in LDCs, initially motivated by labor market postulates offered by Harris and Todaro, built upon general equilibrium models of interregional trade. In contrast, recent research on migration (such as Brueckner and Kim in this issue) builds upon a partial equilibrium analysis that is based on an urban land model. There are subtle differences between these models that complicate intermodel comparisons. The current paper, motivated by this complexity, has three purposes: (1) a mathematical explication of the state of the art in migration modeling, (2) a provision of further insights into the Todaro paradox, and (3) a suggestion for future research predicated on melding the urban land and interregional literatures.