CFA Practice Question

There are 364 practice questions for this topic.

CFA Practice Question

In her analysis of a multivariate regression constructed by one of her colleagues, Beth doubts if the regression residuals are positively correlated with several of the independent variables. She then regresses the squared residuals against the independent variables. The results of her hypothesis test indicate that the regression residuals, while uncorrelated within themselves, are strongly correlated with the independent variables.

The estimation bias described in this example is ______. The appropriate remedy to mitigate this form of estimation bias is ______.
A. Conditional heteroskedasticity; robust standard errors.
B. Serial correlation; Breusch-Pagan test.
C. Conditional heteroskedasticity; Durbin/Watson test.
Explanation: The estimation bias described in this example is conditional heteroskedasticity. There are two methods to correct for conditional heteroskedasticity: the computation of robust standard errors, and generalized least squares.

User Contributed Comments 2

User Comment
malawyer 2 of the answers propose a test which cannot solve for an issue but only detect it
chriswwu I think that is intentional to see whether people are paying attention
You need to log in first to add your comment.