Multiple Choice
If the errors are heteroskedastic, then
A) OLS is BLUE.
B) WLS is BLUE if the conditional variance of the errors is known up to a constant factor of proportionality.
C) LAD is BLUE if the conditional variance of the errors is known up to a constant factor of proportionality.
D) OLS is efficient.
Correct Answer:
Verified
Correct Answer:
Verified
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