Phillips curves are
A)hard to find in the data and stable.
B)easy to find in the data, and stable.
C)hard to find in the data and unstable.
D)easy to find in the data and unstable.
E)obvious from the data.

Question

Quizplus · Accepted Answer

Phillips curves are difficult to find in the data as they are subject to various economic shocks, such as changes in oil prices or supply shocks, which can cause instability in the relationship between inflation and unemployment. As a result, Phillips curves are generally considered unstable and subject to significant revision over time.

Phillips Curves Are