BETA=25%開根號X 16%開根號/ 16% =1.25
nn
14% = 8%+1.25(X-8%) 故,X=12.8%
11. 甲為效率投資組合,其預期報酬率與報酬率變異數分別為 14%與 25%,若..-阿摩線上測驗
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