In practice, you may want to use the OLS estimator instead of the WLS because
A)heteroskedasticity is seldom a realistic problem
B)OLS is easier to calculate
C)heteroskedasticity robust standard errors can be calculated
D)the functional form of the conditional variance function is rarely known

Question

Quizplus · Accepted Answer

The Answer of In practice, you may want to use the OLS estimator instead of the WLS because
A)heteroskedasticity is seldom a realistic problem
B)OLS is easier to calculate
C)heteroskedasticity robust standard errors can be calculated
D)the functional form of the conditional variance function is rarely known

In Practice, You May Want to Use the OLS Estimator