题目内容
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提问人:网友lixin080108
发布时间:2022-01-07
[主观题]
The concept of inferior goods can be used to show that
A.lower prices signal poorer quality.
B.indifference curves can have positive slopes.
C.being able to consume more of all goods does not mean that a person will consume more of every goo
D.consumers will always buy more of all products if their incomes increas
E.
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