Gls
A) results in smaller variances of the estimator than OLS if the regressors are strictly exogenous.
B) is the same as OLS using HAC standard errors.
C) can be used even if the regressors are not strictly exogenous.
D) can be used for time-series estimation, but not in cross-sectional data.
Answer: A
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Foreign-exchange market interventions will always
A) lead to a decline in domestic interest rates relative to foreign interest rates. B) lead to a rise in domestic interest rates relative to foreign interest rates. C) lead to a decline in the domestic money supply. D) alter a central bank's holdings of international reserves.
An oligopoly using a maximin strategy must believe that the losses from underestimating a competitor’s skill are worse than those from overestimating it.
Answer the following statement true (T) or false (F)
Using Figure 1 above, if the aggregate demand curve shifts from AD3 to AD2 the result in the short run would be:
A. P3 and Y1. B. P2 and Y1. C. P2 and Y3. D. P1 and Y2.
A year-long drought that destroys most of the summer's crops would be considered a:
A. short-run supply shock. B. long-run demand shock. C. long-run supply shock. D. short-run demand shock.