If the Fed announces that it is going to reduce the inflation rate by one percentage point, say from 3% per year to 2% per year, forever, and if the public immediately believes this announcement, 1.the short-run Phillips curve becomes flatter. 2.the long-run Phillips curve shift to the right by one percentage point. 3.the long-run Phillips curve shifts to the left by one percentage point. 4.the short-run Phillips curve shifts downward by 1 percentage point at each rate of unemployment. Which of the above answers in correct?
If the Fed announces that it is going to reduce
the inflation rate by one percentage point, say from 3% per year to 2% per year, forever, and if the public immediately believes this announcement,
1.the short-run Phillips curve becomes flatter.
2.the long-run Phillips curve shift to the right by one percentage point.
3.the long-run Phillips curve shifts to the left by one percentage point.
4.the short-run Phillips curve shifts downward by 1 percentage point at each rate of unemployment.
Which of the above answers in correct?