来自《耶鲁大学开放课程：金融理论 第9集 第9集》
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capital Pis, Pi(1) , Pi(2) , Pi(3) ,分别为π1 π2 π3 -
But now, what does Fisher say you should do?但现在按Fisher的理论你该怎么做 -
What's the most important thing to do?最关键的一点是什么 -
The most important thing to do is find the interest rates.最关键的是得出利率的值 -
So what has this got to do with interest rates?这些与利率有什么关系 -
Well, if you modernize Fisher a little bit,如果你对Fisher还有一些印象 -
the most important thing--he didn't put it this way,他最重要的理念是 虽然他没明说 -
but this is really what he must have meant--但实际上就是 -
the most important thing to do is find the prices of the zeros.最重要的事就是解出等式中价格 -
So pi is today's money price,所以π是今天的货币价格 -
today's money price for 1 dollar at time 1.π(1)是时期一下的单位货币价格 -
pi is today's money price for 1 dollar at time 2.π(2)是时期二下的单位货币价格