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

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.