The take-aways are that an equity bias is an absolutely sensible underpinning for investors with long time horizons but that diversification is important.

对于长期投资者来说,股权偏好的存在,是长期投资获利的重要基础,但是分散投资也很重要

耶鲁公开课 - 金融市场课程节选

In general, less volatile stocks have done better over time than more volatile stocks, which is somewhat inconsistent with the notion of efficient markets.

一般来说，波动小的股票在长期内比波动大的股票,表现要好，一定程度上,这和金融市场有效论的观点是相悖的。

耶鲁公开课 - 金融市场课程节选