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Are Chinese Cities Too Small?

机译:中国的城市太小了吗?

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This paper models and estimates net urban agglomeration economies for cities.Economic models of cities postulate an inverted U shape of real income per worker against city employment,where the inverted U shifts with industrial composition across the urban hierarchy of cities.This relationship has never been estimated,in part because of data requirements.China has the necessary data and context.We find that urban agglomeration benefits are high-real incomes per worker rise sharply with increases in city size from a low level.They level out nearer the peak and then decline very slowly past the peak.We find that a large fraction of cities in China are undersized due to nationally imposed,strong migration restrictions,resulting in large income losses.
机译:本文对城市的净城市集聚经济进行了建模和估计。城市的经济模型假设人均实际收入的U形与城市就业呈倒U型关系,其中U型随着城市的城市层次结构中的产业构成而变化。估计,部分原因是由于数据需求。中国拥有必要的数据和背景。我们发现,城市集聚收益是高的实际劳动者的人均收入随着城市规模的增加而从低水平急剧上升。下降速度非常缓慢,超过了峰值。我们发现,由于国家强制实施,严格的移民限制,造成了巨大的收入损失,中国很大一部分城市规模偏小。

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