control of the nation's quantity of money is handled by

The two neighbors of the United States do a lot more trade with the United States than European economies of equal size

A) This contradicts predictions from gravity models. B) This is consistent with predictions from gravity models. C) This is irrelevant to any inferences that may be drawn from gravity models. D) This is because these neighboring countries have exceptionally large GDPs. E) This relates to Belgium's trade record with the U.S.

In regression analysis, the dependent variable

A) is always quantity demanded. B) is the variable whose variation is to be explained. C) is one of the factors that explains what is happening with demand. D) is represented by the inverse demand function.