基金经理预期被实现的程度，为啥不是TC，而是IC！IC讲的是预测能力，TC讲的是付诸实际的程度呀，答案解释含糊不清

问题如下：

$E\left(R_A\right)=\left(TC\right)\left(IC\right)\sqrt{BR}\sigma_A$

Which component on the righthand side represents the extent to which the portfolio manager’s expectations are realized? The

选项：

A.transfer coefficient, TC.

B.information coefficient, IC.

C.

breadth, BR.

解释：

B is correct.

The IC measures an investment manager’s ability to forecast returns.

解析：考字母的定义，IC衡量的是基金经理对投资收益预测的准确性。