问个问题
偏好不连续 是否就可以推出:偏好不能用连续效用函数表示?
Yes, because
If preferences can be represented by continuous utilty function, then preference is continuous
this is equivalent to say that:
if preference is not continuous, then it cannot be represented by continuous utility function
我想demander老弟的意思应该是,为何偏好不连续,就没有一个表示此偏好的效用函数?
这是两个问题。
消费集如果是有限集,不管偏好是否连续,都可以有“效用函数表示”。


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