One reason for a decrease in aggregate demand (AD) on the net exports side is a rise in the expected rate of return. a rise in interest rates. a decrease in foreign demand. a decrease in the relative price of U.S. goods. One reason for an increase in aggregate demand (AD) on the net exports side is a rise in the expected rate of return. a rise in interest rates. an increase in foreign demand. an increase in the relative price of U.S. goods