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网络外部性与基于行为的区别定价 被引量:6
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作者 董亮 任剑新 《经济评论》 CSSCI 北大核心 2012年第5期15-23,共9页
近年来,基于行为的区别定价成为区别定价领域研究的热点,但是这方面的文献却鲜有涉及到市场中存在着网络外部性的情形。在理性预期的假设下,本文通过一个两阶段双寡头博弈模型分析了网络外部性与基于行为的区别定价对子博弈精炼纳什均... 近年来,基于行为的区别定价成为区别定价领域研究的热点,但是这方面的文献却鲜有涉及到市场中存在着网络外部性的情形。在理性预期的假设下,本文通过一个两阶段双寡头博弈模型分析了网络外部性与基于行为的区别定价对子博弈精炼纳什均衡的影响。在成熟市场上,网络外部性会对具有不同初始市场份额的厂商产生不同影响;在新兴市场上,无论厂商采取何种定价策略,网络外部性都会加剧市场上的竞争,导致厂商利润下降。与统一定价下的子博弈精炼纳什均衡相比,基于行为的区别定价会加剧竞争从而导致厂商利润的下降,但是会造成较多社会福利的无谓损失。 展开更多
关键词 基于行为的区别定价 统一定价 网络外部性 完全不兼容
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Who Is the "Hedonist" in the Protagoras?
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作者 Pan Bin 《Fudan Journal of the Humanities and Social Sciences》 2013年第4期27-44,共18页
In the section ( 351b-358a ) about akrasia (incontinence), Socrates gives the strongest argument for his intellectual paradox: that no one is willing to do what he thinks to be bad. This marvellous accomplishment... In the section ( 351b-358a ) about akrasia (incontinence), Socrates gives the strongest argument for his intellectual paradox: that no one is willing to do what he thinks to be bad. This marvellous accomplishment, nevertheless, is based on the hedonistic view that pleasure is good. It conflicts with our general conception of the historical Socrates and is incompatible with the Socrates emerging in other earlier dialogues of Plato. This paper will argue that Protagoras is not really forced or fooled into recognizing hedonism, but consciously advocates hedonism all the way. In fact, Socrates has positively, though incompletely, fought it back. 展开更多
关键词 hedonist Protagoras SOCRATES COURAGE INTELLECTUALISM
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