11. In developing the APT, Ross assumed that uncertainty in asset returns was a result of
A. a common macroeconomic factor
B. firm-specific factors
C. pricing error
D. neither A nor B
E. both A and B
11. In developing the APT, Ross assumed that uncertainty in asset returns was a result of
A. a common macroeconomic factor
B. firm-specific factors
C. pricing error
D. neither A nor B
E. both A and B