【normative】经济学中positive和normativestatements有什么区别?

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【答案】 Positive statements are descriptive.They make a claim about how the word is.
　　例子：Minimum-wage laws cause unemployment.
　　Normative Statements are prescriptive.They make a claim about how the would ought to be.
　　例子：It is immoral for the government to kill people.