Two basic preconditioned assume lie in the theory of institutional variance model.

制度变迁模型理论有两个基本前提假定。

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The paper summarized domestic and international research results in the field of Markowitz s mean-variance model.

本文概述了国内外在马克·维茨均值-方差模型领域的研究成果。

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Suppose that underlying asset follows Constant Elasticity of Variance model(CEV). We derive pricing formula of binary option.

假设 标的股价服从不变方差弹性（CEV）模型下，推导出两值期权的定价公式。

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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

As is elaborated below, this view can be considered mostly hot air since the therapy model or technique accounts for only 1% of the outcome variance in psychotherapy, whereas the client and the therapist account for much more of the outcome variance.

FORBES: There Are No Silver-Bullets in Education Reform