Question 12 1 pts The graph below shows an increase in aggregate demand. Classical economists would agree that the new equilibrium price level is at point ..... DA OC Question 13 1 pts In the long run, what happens to the levels of prices and output as a result of an outward shift in the short-run aggregate supply curve? O Prices rise, and output returns to the full employment level O Prices rise, and output rises to the full-employment level O Prices fall, and output falls below the full-employment level. O Prices fall, and output returns to the ful-employment level. Question 14 1 pts What is the effect of technological progress on prices and output? O The long run aparegate supply curve shifts outward, but the short-run aggregate supply curve remains unchanged. O The short run appregate supply curve shifts outward, but the long-run aggregate supply curve remains unchanged. O Both the long run and the short-run aggregate supply curves shift outward. O There is no effect. Question 15 1 pts Given the linear consumption function C - 20 + 0.9Y, the y-intercept is_ O 20 0 0.9 DY O indeterminate