Question 9 1Il'ilhich ol the [allowing will cause the aggregate demand curve to shift to the right? 0 An increase in the price level O A decrease in the price level 0 An appreciation in the value of the U_E. dollar C} An increase in national incomes abroad Question 10 The immedia te-short-run aggregate supply cur-ire is based on the assumption that: O Input prices are fixed but output prices are exible 0 Input prices are flexible but output prices are fixed 0 Neither input nor output prices are feted 0 Both input and output prices are fixed Question 11 n increase in productivity oi resources Iwill: C} Increase aggregate demand O Increase aggregate supply:I and aggregate demand O Increase aggregate suppli-I O Decrease aggregate sup ply and aggregate demand