二是基于相关机会规划模型：投资者首先确定一个收益目标，然后寻找证券组合以最大概率实现目标。

In portfolio selection model based on dependent-chance programming, we maximize the probability of the event that the total return rate is not smaller than a predetermined value.

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针对预期收益率与风险损失率为模糊数时，建立了一种具有模糊系数的证券组合投资选择模型。

A optional model of portfolio investment with fuzzy-coefficient in which profit rates and risk rates are fuzzy Numbers is presented in this paper.

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资本资产定价模型(CAPM)假设投资者具有一致预期，关于资本资产各项特征的判断完全相同，投资者会选择同一个更优的组合。

Capital asset Price Model (CAPM) presumes that all investors have same prolepsis about asset characteristic in capital market, and investors will chose same portfolio to maximize their return.

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If you accept my estimates and you accept the capital asset pricing model, that would have to be true.

如果你同意我的估算,而且认同资本资本资产定价模型，那这种投资组合就会带来最大收益。

耶鲁公开课 - 金融市场课程节选

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

The first problem set asked you to manipulate the model that I just presented-- the model of how you form portfolios and the model of the capital asset pricing model.

第一道习题,考察的是你们能否活用我刚刚给出的几个模型-,包括怎样构成投资组合的模型,和资本资产定价模型。

耶鲁公开课 - 金融市场课程节选