Reference no: EM131391759
Suppose that the Philips curve is given by
πt = πe t + 0.1 -2ut
a. What is the natural rate of unemployment?
b. Assume πe t = θπt-1
and suppose that θ is equal to 0. Suppose that the rate of unemployment is initially equal to the natural rate. In Year t, the authorities decide to bring the unemployment rate down to 3% and hold it there forever. Determine the rate of inflation in years t, t+1, t+2, and t+5.
c. Do you believe the answer given in (b)? Why or why not? (Hint: Think about how people are likely to form expectations of inflation.)
Now suppose that in year t+5, θ increases from 0 to 1. Suppose that the government is still determined to keep u at 3% forever.
d. Why might θ increase in this way? What will the inflation rate be in years t+5, t+6, and t+7.
e. Do you believe the answer given in (d)? Why or why not?
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