问题 单项选择题

An analyst does research about assumption behind the Markowitz Portfolio Theory. A basic assumption behind the Markowitz Portfolio Theory is that utility curves for an investor:()

A. demonstrate increasing marginal utility of wealth.

B. are a function of expected returns and expected variance of returns only.

C. are a function of expected returns on the risk-free asset and the market portfolio.

答案

参考答案:B

解析:

根据马柯威茨投资组合理论(Markowitz Portfolio Theory),假设财富的边际效用是递减的,而不是递增的,风险加大后需要更高的收益进行补偿。效用曲线是预期收益和方差的方程。选项C是资本市场线(CML)。

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