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【单选题】
下列说法正确的是
A.
基数效用理论和序数效用理论分析消费者行为用到的方法不一样，得出的结论也不一样
B.
基数效用理论认为效用不可以加总求和
C.
序数效用理论以无差异曲线和消费预算线去分析消费者均衡
D.
序数效用理论提出边际效用和总效用
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【单选题】Unlike the private enterprise model, which is the foundation of the U. S. health care system, Canada has a health care system based on different principles: 1) Universality: everyone is covered. 2) Po...
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