Firm location and monopolistic competition

被引:4
作者
Ago, Takanori [1 ]
Hamoudi, Hamid [2 ]
Lefouili, Yassine [3 ]
机构
[1] Senshu Univ, Sch Commerce, Tama Ku, 2-1-1 Higashimita, Kawasaki, Kanagawa 2148580, Japan
[2] Univ Rey Juan Carlos, Dept Fundamentos Anal Econ, Madrid 28032, Spain
[3] Univ Toulouse 1 Capitole, Toulouse Sch Econ, 21 Allee Brienne, F-31015 Toulouse, France
关键词
Firm location; monopolistic competition; agglomeration; dispersion; COURNOT COMPETITION; SPATIAL AGGLOMERATION;
D O I
10.1111/pirs.12173
中图分类号
F [经济];
学科分类号
02 ;
摘要
This paper investigates the equilibrium spatial distributions of firms in a circular city under monopolistic competition. We show that the uniform distribution constitutes an equilibrium for a very general class of transport cost functions. Moreover, we establish that symmetric partial agglomeration arises as an equilibrium if and only if the transport cost function is linear and the number of locations is even. We also find that all rotationally symmetric distributions with continuous support are spatial equilibria if the transport costs are linear. This multiplicity of equilibria however disappears in the case of strictly concave transport costs: the uniform distribution is then the unique spatial equilibrium distribution with continuous support. Resumen Este articulo investiga las distribuciones espaciales en equilibrio de empresas en una ciudad circular bajo competencia monopolistica. Se muestra que la distribucion uniforme constituye un equilibrio para una clase muy generica de funciones del costo de transporte. Por otra parte, se establece que la aglomeracion parcial simetrica surge como un equilibrio si, y solo si, la funcion del costo de transporte es lineal y el numero de localizaciones es una cifra par. Tambien se encontro que todas las distribuciones simetricas en cuanto a la rotacion y bajo apoyo continuo alcanzan equilibrios espaciales cuando los costos de transporte son lineales. Sin embargo, esta multiplicidad de equilibrios desaparece en el caso de costos de transporte estrictamente concavos: en ese caso la distribucion uniforme es la unica distribucion de equilibrio espacial bajo apoyo continuo. ?? ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
引用
收藏
页码:211 / +
页数:10
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