b. at some times central banks think it is more important to keep unemployment low; at
other times, they think it is more important to keep inflation low.
c. monetary policy is not consistent across time because it is influenced by politics.
d. monetary policy is not consistent across time because policymakers are incompetent.
Friedman and Phelps argued
a. that in the long run, monetary growth did not influence those factors that determine
the economy’s unemployment rate.
b. that the Phillips curve could be exploited in the long run by using monetary, but not
fiscal policy.
c. that the short-run Phillips curve was very steep, but not vertical.
d. that there was neither a short-run nor long-run tradeoff between inflation and
unemployment.
Which of the following shifts both the short-run and long-run aggregate supply right?
a. an increase in the actual price level
b. an increase in the expected price level
c. an increase in the capital stock