試題詳解

13. According to the "self-correcting mechanism" in the AD-AS framework, ________.
(A) the aggregate demand curve shifts up or down as needed to bring the economy to full employment
(B) the inflation rate changes as needed to move the economy along the short-run aggregate supply curve until output is at potential output
(C) the long-run aggregate supply curve shifts until it intersects both the aggregate demand and short-run aggregate supply curves at a single point
(D) none of the above