One Implication of the Long-Run Phillips Curve Is That

Multiple Choice

One implication of the long-run Phillips curve is that

A) economic policies to keep the unemployment rate below its natural rate will lead to accelerating inflation.
B) in the long run, the government can accurately estimate the natural rate of unemployment.
C) in the long run, the curve becomes upward sloping.
D) the natural rate of unemployment must be lowered to zero.