We saw that Irving Fisher of Yale reinvented general

耶鲁大学的欧文·费雪为了研究金融
equilibrium in order to study finance,

而重新概括了一般均衡
and we saw just by reinterpreting the variables of

随着一般均衡变量的重新诠释
general equilibrium we could start to say a lot of things

我们从中发现了很多新的金融理论
about finance, and in particular we had the

其中最为重要的当属
idea of free markets, an argument in favor of free markets.

自由市场的概念了
We had the idea of arbitrage and no arbitrage so you could

我们了解了套利和非套利
deduce a lot of prices without solving for the whole

因此你并不需要弄懂
equilibrium just by knowing what other prices are.

一般均衡就可以推导出很多价格
And we also learned that the price of many things is going to

我们还学习了商品的价格
have to do with the utility and marginal utilities of people,

与人们赋予它的效用以及边际效用有关
and that's going to have a lot to do with what their impatience

这就与人们的耐心有关了