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Competition in the traditional sector does not matter for the 'Core-Periphery' model

机译：传统行业的竞争对“核心外围”模式无关紧要

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摘要

We modify Paul Krugman's (1991) 'Core-Periphery' mode! by replacing the traditional competitive sector with a monopolistically competitive one. We show that the structure of spatial equilibria remains the same as in the original model. This result continues to hold true under Cournot or Bertrand oligopolistic competition with free entry in the traditional sector. The key factor that explains why the nature of competition in the traditional sector does not matter for the spatial equilibria is constant expenditure shares - due to nested Cobb-Douglas and CES preferences - which imply that trade in the traditional sector is independent from its sectoral characteristics.
机译：我们修改了Paul Krugman（1991）的“核心外围”模式！通过用垄断性竞争取代传统的竞争性部门。我们表明，空间平衡的结构与原始模型中的相同。在古诺或贝特朗的寡头竞争下，这一结果继续适用，传统领域可以自由进入。解释为什么传统行业的竞争性质与空间均衡无关紧要的关键因素是恒定的支出份额（由于嵌套的Cobb-Douglas和CES偏好），这意味着传统行业的贸易独立于其行业特征。

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  • 来源
    《Economics letters》 |2014年第1期|94-99|共6页
  • 作者

    Kristian Behrens; Sergey Kichko; Evgeny Zhelobodko;

  • 作者单位

    Department of Economics, Universite du Quebec a Montreal (UQAM), Case postale 8888, Succ, Centre-VHle Montreal, (Quebec), Canada H3C 3P8,National Research University Higher School of Economics, pr. Rimskogo-Korsakova, 47, St. Petersburg 190068, Russia,CEPR, London, UK,CIRPEE, Montreal, Canada;

    National Research University Higher School of Economics, pr. Rimskogo-Korsakova, 47, St. Petersburg 190068, Russia;

    National Research University Higher School of Economics, pr. Rimskogo-Korsakova, 47, St. Petersburg 190068, Russia,Novosibirsk State University, ul. Pirogova 2, Novosibirsk 630090, Russia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Core-Periphery model; Spatial equilibrium; Imperfect competition; New economic geography;

    机译：核心-外围模型;空间平衡;不完善的竞争;新经济地理;

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