教材说“总收入等于总支出无疑是一种恒等关系”。
但是,我觉得总收入和总产出才是恒等关系,一份产出必定转化为一份收入。如果当年产出有存货未售出,那么此时应该:产出=收入,同时产出大于支出。
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楼主: rokesmith
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[宏观经济指标] 收入-支出恒等式的疑问 |

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已卖:21份资源 大专生 96%
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回帖推荐这个看你考虑的是总的还是个人的,因为S=I是假定没有进出口的情况下所有saving都会被该模型内的人用于investment,这是一个假定了。如下原文:
Although the accounting identify S=I shows that saving and investment are equal for the economy as a whole, this does not have to be true for every individual household or firm. Larry's saving can be greater than his investment, and he can deposit the excess in a ...
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