contestada

A rise in the natural rate of unemployment causes the​ short-run Phillips curve to​ _____ and the​ long-run Phillips curve to​ _____.
A.
shift down and to the​ left; shift right
B.
shift down and to the​ left; remain unchanged
C.
shift up and to the​ right; remain unchanged
D.
shift up and to the​ right; shift right