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Normative economic principles are concerned with how people _ make decisions while positive economic principles are concerned with how people _ make decisions.

Normative economic principles are concerned with how people _ make decisions while positive economic principles are concerned with how people _ make decisions.
A.in power; in ordinary life
B.do; should
C.should; do
D.in ordinary life; in power
正确答案：should; do
标签：微观经济学 中国大学MOOC微观经济学
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