What I did in this diagram is I computed the efficient portfolio frontier-- now it's the blue line with three assets.

在这张图表中,我计算了有效边界-,蓝色线表示三种资产的组合。

耶鲁公开课 - 金融市场课程节选

But I'm talking here--this is the actually the frontier-- the best possible portfolio consisting of three assets.

但在这里我说的是-,边界表示了三种资产最好的组合。

耶鲁公开课 - 金融市场课程节选