A change in the natural unemployment rate ________.
A. shifts only the short-run Phillips curve
B. causes a movement along the short-run Phillips curve
C. shifts only the long-run Phillips curve
D. shifts both the short-run and long-run Phillips curves
Answer:D
A change in the natural unemployment rate ________.
A. shifts only the short-run Phillips curve B. causes a movement along the short-run Phillips curve C. shifts only the long-run Phillips curve D. shifts both the short-run and long-run Phillips curves