零下1995

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经济学十大原理

people face trade-offs

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

rational people think at margin

people respond to incentives

trade can make everyone better off

markets are usually a good way to organize economic activity

governments can sometimes improve market outcomes

a country's standard of living depends on the its ability to produce goods and services

prices rise when the government prints too much money

society faces short-run trade-off between inflation and unemployment

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