It follows from the weak axiom of revealed preference that if a consumer chooses x when he could afford y and chooses y when he could afford x； then his income must have changed between the two observations.。
It follows from the weak axiom of revealed preference that if a consumer chooses x when he could afford y and chooses y when he could afford x； then his income must have changed between the two observations.。
A.正确
B.错误
正确答案：错误
Tag：中级微观经济学
时间：2023-12-17 11:47:03
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