Leaving only a handful that survived. Flight Eleven and One Seventy-Five with the illegal medications that overdosed our population, led us to receive a leave of absence for an unnecessary vacation and we became addicts.

VOA: special.2009.04.17

What we did--the core theoretical framework that we had-- was the mean variance theory, which led us to the capital asset pricing model.

我们讲到了投资组合多元化的核心理论框架,即均值-方差模型,之后又讲到了资本资产定价模型

耶鲁公开课 - 金融市场课程节选