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xiao15 · 2021年11月08日

老师有个问题

NO.PZ2018062016000071

问题如下:

When the correlation between two stocks decreases from 0 to -1, the diversification benefit will:

选项:

A.

increase.

B.

decrease.

C.

remain the same.

解释:

A is correct. As the correlation between two stocks decreases, diversification effect may enhance and diversification benefit will increase.

如果是correlation 0 to 1 呢? 分散化也是增强的吗

1 个答案

星星_品职助教 · 2021年11月09日

同学你好,

correlation从+1到-1:分散化的效果逐渐加强,风险逐步降低,组合方差/标准差逐步减小。

从-1到+1就是结论都相反

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