经济学中positive 和normative statements有什么区别?

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经济学中positive 和normative statements有什么区别?

经济学中positive 和normative statements有什么区别?
经济学中positive 和normative statements有什么区别?

经济学中positive 和normative statements有什么区别?
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.