试题与答案

马柯威茨投资组合理论的主要缺陷是( )。 A.当证券数量较多时,基本输入所要求的估

题型:多项选择题

题目:

马柯威茨投资组合理论的主要缺陷是( )。

A.当证券数量较多时,基本输入所要求的估计量非常大

B.解的不稳定性

C.数据误差带来的解的不可靠性

D.重新配置的高成本

答案:

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leads them into acts of violence which make it necessary to restrain

their liberty. This, like many other forms of insanity, is

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the extreme forms, that are a matter for a psychiatrist.       (3)______

It is the milder forms that I wish to consider, since they      (4)______

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are still capable of being dealt by the patient himself,       (6)______

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right and to see that its origin lies within himself and        (7)______

not in the supposed hostility and unkindness of others.        (8)______

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are often extraordinarily plausible, and secure warm sympathy

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8()

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