Attempts Score / 2 46. Changes in taxes The following graph plots an aggregate demand curve. Using the graph, shift the aggregate demand curve to depict the impact that a tax hike has on the economy.\fSuppose the governments of two very similar economies, economy Y and economy Z, implement a permanent tax cut of equal size. The marginal propensity to consume (MPC) in economy Y is 0.85 and the MPC in economy Z is 0.8. The economies are otherwise completely identical. The tax cut will have a larger impact on aggregate demand in the economy with the