There's no correlation between them ... and that means that the variance-- and I want to talk about equally-weighted portfolio.

它们之间没有相关性,也就是说。。。方差-,我想讲一下,权重相等的投资组合。

耶鲁公开课 - 金融市场课程节选

You'd have a higher expected return with no more variance.

你的预期收益率提高了，但风险没有增加。

耶鲁公开课 - 金融市场课程节选