选择题：[多选题,1.9分] 西方经济学所说的排他性是指(

题目内容：

[多选题,1.9分] 西方经济学所说的排他性是指(

A.个人能够被排除在消费某种产品的利益之外
B.厂商被排除在产品生产之外
C.穷人被排除在消费某种公共物品之外
D.富人被排除在消费某种公共物品之外
E.私人商品的一种特性

参考答案：

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