I don't believe that markets are efficient and it doesn't really seem like it should be an open question.

我不相信市场是有效的,而且事实上这似乎,也不应该是一个开放式的问题。

耶鲁公开课 - 金融市场课程节选

In fact, I have it--suppose we have three assets and we want to compute the efficient portfolio frontier, the mean and variance of the portfolio.

事实上，假如我们拥有三种资产,我们想计算有效边界，及投资组合的均值和方差。

耶鲁公开课 - 金融市场课程节选

And the point that I also want to make is the way that they differ, z effective actually differs from the total charge in the nucleus due to an idea called shielding.

我也想指出的一点是它们不同的方式,有效的z事实上不同于原子核的，总电荷量,因为屏蔽效应。

麻省理工公开课 - 化学原理课程节选

As a matter of fact,if things were perfectly efficiently priced, there wouldn't be any opportunity to generate excess returns and if you make active bets--if you make bets against the market -then whether you win or lose has to do with luck.

事实上,如果资产都是有效定价的,那么根本不可能获得任何超额收益,如果你主动一搏,要从市场中获利,那么无论得失都只能靠运气了

耶鲁公开课 - 金融市场课程节选