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"One should never bother with WLS. Using OLS with robust standard errors gives correct inference, at least asymptotically." True, false, or a bit of both? Explain carefully what the quote means and evaluate it critically.
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Q11: Consider the following population regression model
Q12: In a two regressor regression model, if
Q18: Consider a panel regression of unemployment rates
Q24: Some people have seen every comedy.
Q30: When having a choice of which estimator
Q38: Your textbook derives the OLS estimator
Q45: The expectations augmented Phillips curve postulates
Q59: Two variables are uncorrelated in all
Q171: There is a course that every freshman
Q173: Give a proof by contradiction of the