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Spatial price discrimination in a symmetric barbell model: Bertrand vs. Cournot

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  • Chia-Hung Sun
  • Fu-Chuan Lai

Abstract

type="main" xml:lang="es"> 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.

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  • Chia-Hung Sun & Fu-Chuan Lai, 2014. "Spatial price discrimination in a symmetric barbell model: Bertrand vs. Cournot," Papers in Regional Science, Wiley Blackwell, vol. 93(1), pages 141-158, March.
    • Handle: RePEc:bla:presci:v:93:y:2014:i:1:p:141-158
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    File URL: http://hdl.handle.net/10.1111/j.1435-5957.2012.00476.x
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