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【风险管理基础&定量分析】FRM一级每日一题

发表时间:2015-04-13 来源:金程frm 告诉小伙伴:
【编者按】【风险管理基础&定量分析】FRM一级每日一题

【风险管理基础&定量分析】FRM一级每日一题

To describe the shape of the portfolio possibilities curve, which one of the following is best?
  1. The curve is strictly convex.
  2. The curve is strictly concave.
  3. The curve is convex above the minimum variance portfolio and concave below the minimum variance portfolio.
  4. The curve is concave above the minimum variance portfolio and convex below the minimum variance portfolio.

AnswerD

The portfolio possibilities curve is concave above the minimum variance portfolio and convex below the minimum variance portfolio.

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