One way of investigating this is-- to get around the selection bias-- is to try to look at all countries.

为了避免选择性偏差,研究方法之一是,研究所有的国家

耶鲁公开课 - 金融市场课程节选

Still, from the fact that I can imagine the world in which I look around for the Morning Star-- there it isn't.

事实上,我可以想象这样,我到处找晨星,但是却找不到

耶鲁公开课 - 死亡课程节选

Look how--this is as of earlier this year; the Federal Funds Rate was at around 4% and it has this huge drop in the term structure and then it starts the upward-sloping.

这是今年早些时候的图形,当时联邦利率徘徊在4%,但期限结构,在此处急转直下之后又开始掉头向上

耶鲁公开课 - 金融市场课程节选

I look around for the Evening Star-- there it is.

我找昏星,却找到了

耶鲁公开课 - 死亡课程节选