External conjectural variations in symmetric oligopoly equilibrium

被引：0
|
作者：
Alexandre Julien, Ludovic [1 ]
机构：
[1] Univ Paris X Nanterre, EconomiX, Nanterre, France
来源：
ECONOMICS BULLETIN | 2007年 / 4卷
关键词：
D O I：
暂无
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
In this paper, we introduce the concept of conjectural variations across sectors called "external conjectural variations" in a pure exchange economy. Three results are obtained. First, the symmetric oligopoly equilibrium coincides with the Cournot equilibrium when the conjectural variations are zero. Second, the symmetric oligopoly equilibrium coincides with the competitive equilibrium when the conjectural variations take the value of the competitive market equilibrium price. Third, the optimal strategies of agents between sectors are complements (substitutes) when the conjectural variation is negative (positive).
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页数：7
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