Or are you going to manage each individual asset class actively, trying to beat the market and generate risk-adjusted excess returns?

还是积极管理每项资产,力求获得市场水平以上的回报率,以及风险调整后的超额收益

耶鲁公开课 - 金融市场课程节选

If an asset class has constituents that are efficiently priced, then it's very hard to generate excess returns.

如果某种资产的构成都是有效定价的,那么就很难产生超额回报

耶鲁公开课 - 金融市场课程节选