Also, we need to know how much individual stocks are correlated with rm; we measure that by the regression coefficient.

我们必须清楚,有多少个股与市场总体收益率相关;,我们用回归系数，即β系数来表示。

耶鲁公开课 - 金融市场课程节选

Probably when the overall stock market does well so does Shiller, Inc.

很有可能当股票市场的总体表现好,希勒公司.的表现也一样好

耶鲁公开课 - 金融市场课程节选

If we're all holding the same portfolio, that has to be the total, so that would mean that 9% of all wealth is oil, 9% of all--is oil 27% of all wealth is stocks, and 64% is bonds.

如果我们全都持有相同投资组合，总的投资组合就是如此，那就意味着9%的资产投资石油，市场总体的投资组合就是9%是石油,27%投资股票以及64%投资债券。

耶鲁公开课 - 金融市场课程节选