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【单选题】
投资组合理论的奠基人马科维茨在1952年首次提出投资组合理论,下列关于投资组合理论的说法中不正确的是_______A.
马科维茨把投资组合的价格变化视为随机变量，以它的均值来衡量收益，以它的方差来衡量风险
B.
该理论的模型是CAPM
C.
马科维茨认为通过投资分散化不可以在不改变投资组合预期收益的情况下降低风险
D.
马科维茨的理论又称为均值－方差分析
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【单选题】Which of the following is NOT A social occasion?
A.
Going to church.
B.
Going to work in the office.
C.
Staying at home,
D.
Going to A party.
【单选题】Which of the following is NOT a social occasion?
A.
Going to church.
B.
Going to work in the office.
C.
Going to a party.
D.
Staying at home.
【单选题】43 Which of the following is NOT a social occasion?
A.
Going to church,
B.
Going to work in the office.
C.
Staying at home.
D.
Going to a party,
【简答题】请简要概括巴克一共经历了哪几次转变。
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