NO.PZ202304040200002101
问题如下:
The inclusion of index returns prior to Year 1 would be expected to:
选项:
A.bias the historical ERP estimate upward.
bias the historical ERP estimate downward.
have no effect on the historical ERP 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.
近期刚进入市场经济,那之前都是非市场经济,是不是之前的市场收益率会更低呢?如果是这样,也可以理解为会导致指数收益率偏低啊。