The Idea That,in the Long Run,the Phillips Curve Is Vertical,implying

Multiple Choice

The idea that,in the long run,the Phillips curve is vertical,implying no trade-off between inflation and unemployment,is based on the premise that

A) inflation and unemployment are unrelated.
B) expectations do not adjust to reflect actual inflation.
C) changes in unemployment do not influence real GDP.
D) inflationary expectations fully adjust to actual inflation.
E) inflationary expectations do not influence inflation.