Quality Differentiation, Welfare, and the Mode of Competition in a Vertically Differentiated Product Market: A Note

被引：0
|
作者：
Tsuyoshi Toshimitsu
Naoto Jinji
机构：
[1] Kwansei Gakuin University,
[2] Okayama University,undefined
来源：
The Japanese Economic Review | 2007年 / 58卷
关键词：
L13; L15; D43;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We analyse the implications of quality differences in a vertically differentiated product market for social welfare by employing an endogenous quality choice model. We find that in of Bertrand and Cournot duopolies, the degree of quality differentiation at equilibrium in an unregulated market is larger or smaller, respectively, than that of the socially second-best optimum. This implies that a reduction in quality difference, respectively, increases or decreases social welfare in the case of Bertrand or Cournot duopolies.
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页码：407 / 416
页数：9
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