问题如下:
1. The inclusion of index returns prior to 2001 would be expected to:
选项:
A.bias the historical equity risk premium estimate upwards.
B.bias the historical equity risk premium estimate downwards.
C.have no effect on the historical equity risk premium estimate.
解释:
A is correct.
The backfilling of index returns using companies that have survived to the index construction date is expected to introduce a positive survivorship bias into returns.
请问老师这是哪里的知识点?谢谢