题目内容

如果一个人的劳动供给曲线在某一个特殊区域向后拐斜，那么我们知道()。

A. 替代效应不如收入效应
B. 替代效应和收入效应向同一个方向起作用
C. 闲暇是一种低档品
D. 闲暇是一种正常品

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