The Gauss-Markov Theorem proves that
A) the OLS estimator is t distributed.
B) the OLS estimator has the smallest mean square error.
C) the OLS estimator is unbiased.
D) with homoskedastic errors, the OLS estimator has the smallest variance in the class of linear and unbiased estimators, conditional on X1,…, Xn.
Answer: D
Economics
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a. True b. False Indicate whether the statement is true or false
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