"I started thinking about where else can I get some kind of reasonable rate of return where return can actually be defined more fully than just how much money did I make."

VOA: special.2011.01.14

The investment rate is telling you how much money you're really making on an annualized basis, so it's very simple.

投资收益率反映了基于一年来看,你实际赚了多少钱,非常简单

耶鲁公开课 - 金融市场课程节选

That would be a portfolio where you borrowed at the riskless rate and you put more than 100% of your money into the tangency portfolio.

在这种组合里,你可以以无风险利率借贷到一些资金,从而可以投入比你本金更多的资金,来购买切线投资组合。

耶鲁公开课 - 金融市场课程节选

Then later on,whenever you want, you can take your money out Meanwhile, they invest the deposits some way or another at a higher interest rate than they pay on the deposits and they make the difference and that's how they make a profit.

然后你什么时候需要你就可以把钱取出来,同时储蓄机构以比给你的利息,更高的利息储蓄,或者投资，这就出现了差价,这就是储蓄机构盈利的方法。

耶鲁公开课 - 金融市场课程节选