假设一个经济有以下菲利普斯曲线:π=π-1-0.5(u-0.06)。
a.自然失业率是多少?
b.画出通货膨胀与失业之间的短期与长期关系。
c.为了使通货膨胀减少5个百分点,必须有多少周期性失业?用奥肯定律计算牺牲率。
d.通货膨胀为10%,美联储想把它降到5%。给出两种能达到这个目标的方案。
Suppose that an economy has the Phillips curve π=π-1-0.5(u-0.06).
a.What is the natural rate of unemployment?
b.Graph the short-run and long-run relationships between inflation and unemployment.
c.How much cyclical unemployment is necessary to reduce inflation by 5 percentage points? Using Okun's law, compute the sacrifice ratio.
d.Inflation is running at 10 percent. The Fed wants to reduce it to 5 percent. Give two scenarios that will achieve that goal.
A.长期菲利普斯曲线向右移动
B.短期菲利普斯曲线向右移动
C.既不是长期菲利普斯曲线向右移动也不是菲利普斯曲线向右移动
D.长期菲利普斯曲线和短期菲利普斯曲线都向右移动
A.使经济沿着短期菲利普斯曲线向更高通货膨胀和更低失业的一点移动
B.使经济沿着短期菲利普斯曲线向更低通货膨胀和更高失业的一点移动
C.使短期菲利普斯曲线向右移动
D.使短期菲利普斯曲线向左移动