A fall in the value of the dollar against other currencies makes U. S. final goods and services cheaper to foreigners, even though the U. S. aggregate price level remains the same. As a result, foreigners demand more U. S. aggregate output. Your study partner says that this represents a movement down the aggregate demand curve because foreigners are demanding more in response to a lower price. You, however, insist that this represents a rightward shift of the aggregate demand curve.