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)inflation and expected inflation are unaffected by deviations of output from potential output
E)none of the above
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