1、经济学十大原理

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how people make decisions

1.people face tradeoffs

2.the cost of something is what you give up to get it

3.rational people think at the margin

4.people respond to incentives

how people interact

5.trade can make everyone better off

6.markets are usually a good way to orgnize economic cativity

7.goverment can sometimes improve market outcomes

how the economy as a whole works

8.the standard of living depends on a country’s production

9.prices rise when zhe goverment prints too mush money

10.society faces a short-run tradeoff between inflation and unemployment