23. The aggregate expenditure curve and the aggregate demand curve are a. linked because if the price level rises, the aggregate expenditure curve shifts down and the aggregate demand curve shifts leftward b. linked because if the price level rises, the aggregate expenditure curve shifts down and there is a movement left and up the aggregate demand curve c. linked because if the price level rises, the aggregate expenditure curve shis dam and there is a movement right and up the aggregate demand curve d. the same curve, just with different names not related at all 9