Which of the Following Is the Reason Why Standard Errors

Multiple Choice

Which of the following is the reason why standard errors measured by OLS differ from standard errors measured through Prais-Winsten transformation?

A) OLS standard errors account for serial correlation, whereas Prais-Winsten estimations do not.
B) Prais-Winsten standard errors account for serial correlation, whereas OLS estimations do not.
C) Prais-Winsten standard errors account for heteroskedasticity, whereas OLS estimations do not.
D) OLS standard errors account for heteroskedasticity, whereas Prais-Winsten estimations do not.