In the traditional Keynesian model, if the government increases government spending, Question content area bottom Part 1 A. the C + I + G + X line will shift up but the aggregate demand curve will not shift. B. the C + I + G + X line will shift down and the aggregate demand curve will shift to the left. C. the C + I + G + X line will shift up and the aggregate demand curve will shift to the right. D. the C + I + G + X line will shift down but the aggregate demand curve will not shift