CFA Level 1学生就Portfolio Management课后练习题第6题提问
Which of the following possible portfolios cannot lie on the efficient frontier?
Portfolio expected return standard deviation
1 8% 6%
2 10% 6%
3 14% 12%
4 14% 16%
A. Portfolio 3 only
B. Portfolio 1 and 4
C. Portfolio 2 and 3.