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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/78225


    Title: Spatial price discrimination in a symmetric barbell model: Bertrand vs. Cournot
    Authors: Sun, Chia-Hung;Lai, Fu-Chuan
    賴孚權
    Contributors: 財政系
    Keywords: Bertrand competition;Cournot competition;D43;L22;R32;Spatial discrimination
    Date: 2014-03
    Issue Date: 2015-09-03 14:48:06 (UTC+8)
    Abstract: This paper investigates the theory of spatial discrimination for general demands and general transportation costs in a barbell model, where markets` locations are assumed to be at opposite endpoints of a line. Duopoly firms in the Bertrand model always differentiate maximally, whereas in the Cournot model the market demand structure is not so critical, but the functional form of the transportation cost plays a crucial role in determining equilibrium location. Non-maximal distance appears in the Cournot equilibrium when a convex transportation cost is allowed, bringing about the findings that the equilibrium consumer surplus may be higher and the equilibrium profits may be lower under Cournot competition than under Bertrand competition.
    Resumen Este artículo investiga la teoría de la discriminación espacial para demandas generales y costos de transporte generales en un modelo de concentración en dos extremos ( barbell), donde se supone que las ubicaciones de los mercados están en puntos totalmente opuestos de una línea. Las empresas de duopolio en el modelo de Bertrand siempre diferencian al máximo, mientras que en el modelo de Cournot la estructura de la demanda del mercado no es tan importante, sino que la forma funcional del costo del transporte juega un papel crucial a la hora de determinar la ubicación del equilibrio. La distancia no-máxima aparece en el equilibrio de Cournot cuando se permite un costo de transporte convexo, lo que lleva a concluir que el excedente de equilibrio del consumidor puede ser mayor y los beneficios de equilibrio pueden ser inferiores bajo una competencia de Cournot que bajo una competencia de Bertrand.
    Relation: Papers in Regional Science, 93(1), 141-158
    Data Type: article
    DOI 連結: http://dx.doi.org/10.1111/j.1435-5957.2012.00476.x
    DOI: 10.1111/j.1435-5957.2012.00476.x
    Appears in Collections:[財政學系] 期刊論文

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