The BLU estimator of the slope parameter under heteroskedasticity is an example of, a biased estimator a Generalized Least Squares estimator an OLS estimator none of tbe above O O O C

Exploring Economics
8th Edition
ISBN:9781544336329
Author:Robert L. Sexton
Publisher:Robert L. Sexton
Chapter3: Scarcity, Trade-offs, And Production Possibilities
Section: Chapter Questions
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The BLU estimator of the slope parameter under heteroskedasticity is an example of
a biased estimator
a Generalized Least Squares estimator
an OLS estimator
none of the above
Transcribed Image Text:The BLU estimator of the slope parameter under heteroskedasticity is an example of a biased estimator a Generalized Least Squares estimator an OLS estimator none of the above
If the disturbances are heteroskedastic, then
O BLUE is inefficient
OLS is efficient
OLS is BLUE
weighted least squares is BLUE
Transcribed Image Text:If the disturbances are heteroskedastic, then O BLUE is inefficient OLS is efficient OLS is BLUE weighted least squares is BLUE
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