Given a Phillips Curve with Stable and Predictable Inflation and Unemployment

Multiple Choice

Given a Phillips Curve with stable and predictable inflation and unemployment rate trade-offs, it appears that

A) an expansionary fiscal policy can shift the curve to the left.
B) a tight money policy can shift the curve to the right.
C) manipulating aggregate demand through fiscal and monetary policies has the effect of causing a movement along the curve.
D) manipulating aggregate demand through fiscal and monetary policies has the effect of shifting the curve.