问题如下图：
选项：
A. 
B. 
C. 
解释：
Return generating model 表达什么含义，是指收益率来源于什么因素吗？
为何single index model不算在return generating model里？
NO.PZ2015121802000036 问题如下 A return generating mol is most likely to baseon a security's exposure to: A.macroeconomic factors. B.statisticfactors. C.financifactors. A is correct.Analysts prefer macroeconomic factor mols for return-generating mol. 书里并没有提到偏好，这道题是不是不严谨？
NO.PZ2015121802000036问题如下A return generating mol is most likely to baseon a security's exposure to:A.macroeconomic factors.B.statisticfactors.C.financifactors.A is correct.Analysts prefer macroeconomic factor mols for return-generating mol.看了其他问题都是几年前的了
NO.PZ2015121802000036 statisticfactors. financifactors. A is correct. Analysts prefer macroeconomic factor mols for return-generating mol. 难道不是三个因素共同决定嘛？macroeconomistatistical, funmental
统计性因素为什么不算？
