NO.PZ2015122801000023
问题如下：
Which of the statements about the relationship between the performance of mutual fund managers and passive index strategy is correct?
选项：
A.The performance of mutual fund managers is equal to a passive index strategy.
B.The performance of mutual fund managers may outperform a passive index strategy.
C.The performance of mutual fund managers may underperform a passive index strategy.
解释：
C is correct.
Research shows that the passive index strategy is superior to the performance of most mutual fund managers.
老师，相关的我有3个问题没搞懂：
1.至少weak-efficient情况下 ，主动投资基金经理还可以用基本面分析来跑赢被动投资不是吗？
2.老师课上提到α，貌似现在还没学到这个知识点，获得α是指啥意思？
3.讲义中所说的"generate abnormal returns"和"beat the market"本质上有啥区别？是不是passive portfolio在任何情况下都无法获得abnormal returns?
谢谢老师！
