【FRM每日一题】一级：风险管理&定量
备考FRM一级 | 2015-08-19
To describe the shape of the portfolio possibilities curve, which one of the following is best?
A.The curve is strictly convex.
B.The curve is strictly concave.
C.The curve is convex above the minimum variance portfolio and concave below the minimum variance portfolio.
D.The curve is concave above the minimum variance portfolio and convex below the minimum variance portfolio.
Answer：D
The portfolio possibilities curve is concave above the minimum variance portfolio and convex below the minimum variance portfolio.
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