Agglomeration patterns in a multi-regional economy without income effects

Agglomeration patterns in a multi-regional economy without income effects
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无收入效应的多区域经济的集聚模式

DOI:
10.1007/s00199-017-1065-9
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发表时间:
2018
期刊:
影响因子:
1.3
通讯作者:
João Correia
João Correia
中科院分区:
经济学3区
文献类型:
--
作者:
José M. Gaspar;S. Castro;João Correia

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我们利用准线性对数效用Pflüger的多区域核心-边缘模型(REG Sci Urban Econ 34:565-573,2004)对工业的长期空间分布进行了研究。我们发现,工业在一些地区均匀分布,而另一些地区没有工业的分布是不稳定的。工业在除一个地区以外的所有地区之间均匀分布的空间分布可以是稳定的,但前提是该地区的工业化程度明显高于其他地区。当贸易成本降低时,从分散到集聚的转变类型取决于流动工人的比例。如果这一比例很低,一旦分散变得不稳定,从分散到团聚的转变就是灾难性的。如果它很高,则在一个区域内有一个不连续的跳跃到部分聚集,然后是一个平稳过渡到完全聚集。最后,我们发现,流动员工受益于更集聚的空间分布,而不流动的员工更喜欢分散的分布。整体经济有过度集聚的趋势,贸易成本处于中等水平。
We study the long-run spatial distribution of industry using a multi-region core–periphery model with quasi-linear log utility Pflüger (Reg Sci Urban Econ 34:565–573, 2004). We show that a distribution in which industry is evenly dispersed among some of the regions, while the other regions have no industry, cannot be stable. A spatial distribution where industry is evenly distributed among all regions except one can be stable, but only if that region is significantly more industrialized than the other regions. When trade costs decrease, the type of transition from dispersion to agglomeration depends on the fraction of workers that are mobile. If this fraction is low, the transition from dispersion to agglomeration is catastrophic once dispersion becomes unstable. If it is high, there is a discontinuous jump to partial agglomeration in one region and then a smooth transition until full agglomeration. Finally, we find that mobile workers benefit from more agglomerated spatial distributions, whereas immobile workers prefer more dispersed distributions. The economy as a whole shows a tendency towards overagglomeration for intermediate levels of trade costs.
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