fff团团长比伯2017-12-08 12:44:03
Compared to the efficient frontier of risky assets, the dominant capital allocation line has higher rates of return for levels of risk greater than the optimal risky portfolio because of the investor’s ability to: lend at the risk-free rate. borrow at the risk-free rate. purchase the risk-free asset. 老师您好,请问这道题该怎么理解呢?
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金程教育陈老师2017-12-08 14:18:14
efficient frontier of risky assets为那条最小标准差以上的frontier of risky assets,所以才叫做 efficient frontier of risky assets,即EF;
dominant CAL为无风险资产(0,Rf)引出的与EF的切线,切点为M,即optimal risky portfolio;
在optimal risky portfolio这一点M的右上方CAL上的点代表的组合比EF上点代表得组合,同等风险下收益比较高,题干的问题是CAL这些点代表的是怎样的组合?——借入无风险资产,投资optimal risky portfolio。
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