这考到的是哪一个讲义知识点

问题如下：

An analyst uses a multi-factor model to estimate the expected returns of various securities. The model analyzes historical and cross-sectional return data to identify factors that explain the variance or covariance in the securities’ observed returns. This model is most likely a:

选项：

A.statistical factor model.

B.macroeconomic factor model.

C.fundamental factor model.

解释：

Statistical factor models use historical and cross-sectional return data to identify factors that explain the variance or covariance in the observed returns of securities.