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凯恩斯之谜具体是什么
更新时间: 2020-06-29 00:00:00  

凯恩斯消费函数之谜

根据莫迪利安尼的生命周期假说和弗里德曼的持久收入假说,家庭是根据持久收入而不是根据本期收入来决定消费水平的。当本期收入高于平均值时,他们倾向于把差额储蓄起来,当本期收入低于平均值时,他们往往动用储蓄或举债,以便使消费在生命周期内平滑,即家庭对稳定消费的偏好胜过对不稳定消费的偏好。生命周期和持久收入假说解开了所谓的“消费之谜”,说明凯恩斯消费函数中的本期收入和当期消费之间的联系是很脆弱的。

关键词: 具体 什么

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