1. The AD curve is: A) upward-sloping in the short run. B) upward-sloping. () downwardsloping . D) vertical in the long run. 2. All else equal, an increase in AD will cause the price level to: A) rise in the long run only. B) rise in the short run only. C) rise in both the short run and the long run. D) rise in neither the short run nor the long run. 3. An increase in the average price level would cause the AD curve to: A) This would not cause a shift in the AD curve. B) shift to the left. C) shift to the right. D) shift upward. 4. Which of the following describes a way in which a market demand curve is different from an aggregate demand curve? A) A market demand curve does not have any "'all else equal" assumptions B) A market demand curve does not make any assumptions about consumer incomes C) A market demand curve has several "all else equal" assumptions D) A market demand curve assumes consumer incomes remain constant