Question 55 (1 point) If expected inflation is constant and the nominal interest rate decreases by 4 percentage points, then the real interest rate increases by 4 percentage points. increases, but by less than 4 percentage points. decreases, but by less than 4 percentage points. decreases by 4 percentage points. Question 56 (1 point) Over the long run the Volcker disinflation Oshifted the short-run and long-run Phillips curves left. O shifted the short-run, but not the long-run Phillips curve left, O shifted the long-run, but not the short-run Phillips curves left. None of the above is correct. Question 57 (1 point) If the central bank decreases the money supply, in the short run, output falls so unemployment falls. falls so unemployment rises. rises so unemployment falls. Question 57 (1 point) If the central bank decreases the money supply, in the short run, output falls so unemployment falls falls so unemployment rises. Orises so unemployment falls. Orises so unemployment rises. Question 58 (1 point) If policymakers decrease aggregate demand, then in the short run the price level falls and unemployment rises, and unemployment fall. and unemployment rise Orises and unemployment falls