If the errors are heteroskedastic, then
A) the OLS estimator is still BLUE as long as the regressors are nonrandom.
B) the usual formula cannot be used for the OLS estimator.
C) your model becomes overidentified.
D) the OLS estimator is not BLUE.
Answer: D
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On the long-run aggregate supply curve,
A) an increase in the price level increases the level of potential GDP. B) an increase in the price level has no effect on the aggregate quantity of GDP supplied. C) an increase in the price level reduces the aggregate quantity of GDP supplied. D) an increase in the price level increases the aggregate quantity of GDP supplied.
The steps in the process of commercial bank lending in order are
A) borrower bank search, credit analysis, borrower-bank negotiation, bank funding. B) borrower bank search, borrower-bank negotiation, credit analysis, bank funding. C) credit analysis, borrower bank search, borrower-bank negotiation, bank funding. D) borrower-bank negotiation, borrower bank search, credit analysis, bank funding.