If opportunity costs are ________, the production possibilities frontier would be graphed as a negatively sloped straight line

An upward shift of the planned expenditure curve resulting from a decrease in the price level corresponds to

A) aggregate demand shifting to the left. B) a movement up along the aggregate demand curve. C) a movement down along the aggregate demand curve. D) aggregate demand shifting to the right.

In the monetary small open-economy model with a fixed exchange rate, an increase in the foreign price level

A) increases the domestic money supply and increases the domestic price level. B) increases the domestic money supply and decreases the domestic price level. C) decreases the domestic money supply and increases the domestic price level. D) decreases the domestic money supply and decreases the domestic price level.