Suppose the US economy is in recession. The unemployment rate is
7% and the Federal Reserve Bank is considering using monetary
policy to expand output. Assume the bank knows, with certainty,
that:
i.
absent changes in monetary policy, unemployment will still be 7%
next year;
ii.
the natural rate of unemployment is 5%;
iii. from
Okun's law, 1% more output growth for a year leads to a 0.4%
reduction in the unemployment rate.
Also assume the bank can effectively use...