Indicate whether the following changes or events would cause aggregate demand to increase, decrease, or neither (you can move the scroll bar to the right if you want to see all the changes). Items (9 items) (Drag and drop into the appropriate area below) No more items Categories AD increases (right) Foreign incomes increase relative to incomes in the United States. The Dow Jones Industrial Average increases. Firms' expectations of the future profitability of investment spending increase. The central bank increases the supply of money. AD decreases (left) The dollar increases in value relative to other currencies. The consumer confidence index falls. Interest rates increase. The price level in the United States rises relative to the price level of other countries. AD does not change The government increases personal income tax rates