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垄断竞争和最优的产品多样化
引用本文:阿维纳施K.迪克希特[美],约瑟夫E.斯蒂格利莰,王涵宇.垄断竞争和最优的产品多样化[J].延边大学学报,2005,38(3):42-50.
作者姓名:阿维纳施K.迪克希特[美]  约瑟夫E.斯蒂格利莰  王涵宇
作者单位:美国普林斯顿大学经济系 普林斯顿08544-1021 (阿维纳施K.迪克希特),美国哥伦比亚大学经济系 纽约10027 (约瑟夫E.斯蒂格利茨),南开大学经济研究所 天津300071 (王涵宇,邵海军),南开大学经济研究所 天津300071(安虎森)
摘    要:比较分析在垄断力量存在时市场均衡及最优资源分配的各种情形就会发现,垄断力量和市场扭曲的方向并没有显著的关系,在弹性不变的效用函数情形下,市场解能达到有约束的帕累托最优,而与弹性数值无关。对于可变弹性,市场解对最优的偏离是不确定的。具有非对称的需求和非对称的成本的条件下,市场偏离无弹性和高成本的商品。

关 键 词:替代弹性  垄断竞争  最优产品多样性
文章编号:1009-3311(2005)03-0042-09
修稿时间:2005年4月28日

Monopolistic Competition and Optimum of Product Diversity
Written by Avinash K. Dixit,Joseph E. Stiglitz,Translated by WANG Han-yu,SHAO Hai-jun,AN Hu-sen.Monopolistic Competition and Optimum of Product Diversity[J].Journal of Yanbian University(Social Sciences),2005,38(3):42-50.
Authors:Written by Avinash K Dixit  Joseph E Stiglitz  Translated by WANG Han-yu  SHAO Hai-jun  AN Hu-sen
Institution:Written by Avinash K. Dixit~1,Joseph E. Stiglitz~2,Translated by WANG Han-yu~3,SHAO Hai-jun~3,AN Hu-sen~3
Abstract:After analyzing the various aspects of the relationship between market and optimal resource allocation in the presence of monopoly power, we draw the conclusion that the relationship between the monopoly power and the direction of market distortion is no long obvious. In constant elasticity case the market solution was constrained by Pareto optimal, regardless of the value of elasticity. With variable elasticity case, the bias could go either way. With asymmetric demand and cost conditions we also observe a bias against commodities with inelastic demand and high costs.
Keywords:elasticity of substitution  monopoly competition  optimum product diversity
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