设某一经济的菲利普曲线为:π=π-1-0.4(u-0.06),试求:
设某一经济的菲利普曲线为:π=π-1-0.4(u-0.06),试求:
设某一经济的菲利普曲线为:π=π-1-0.4(u-0.06),试求:
设一经济有以下菲利普斯曲线π=π-1-0.5(u-0.06),问:
(1)该经济的自然失业率为多少?
(2)为使通货膨胀减少5个百分点,必须有多少周期性失业?
A.经济将经历通货膨胀下降
B.经济将经历通货膨胀上升
C.如果价格预期不变,通货膨胀将不受影响
D.以上各项都不是
所处位置的点。
a.实际通货膨胀率是5%,而预期通货膨胀率是3%
b.实际通货膨胀率是3%,而预期通货膨胀率是5%
c.实际通货膨胀率是5%,而预期通货膨胀率是5%
d.实际通货膨胀率是3%,而预期通货膨胀率是3%
假定经济的菲利普斯曲线是:π=π-1-0.5(u-un),而且自然失业率是由过去两年失业的平均数给出的:un=0.5(u-1+u-2)。
a.为什么自然失业率会取决于最近的失业(正如在上式中所假设的)?
b.假设美联储遵循永久性地降低通货膨胀1%的政策。这种政策对一段时期中的失业率有什么影响?
c.这个经济中的牺牲率是多少?请解释。
d.这些方程式对通货膨胀与失业之间的短期和长期取舍关系意味着什么?
Suppose that an economy has the Phillips curve π=π-1-0.5(u-un), and that the natural rate of unemployment is given by an average of the past two years'unemployment: un=0.5(u-1+u-2).
a.Why might the natural rate of unemployment depend on recent unemployment (as is assumed in the preceding equation)?
b.Suppose that the Fed follows a policy to reduce permanently the inflation rate by 1 percentage point. What effect that policy will have on the unemployment rate over time?
c.What is the sacrifice ratio in this economy? Explain.
d.What do these equations imply about the short-run and long-run tradeoffs between inflation and unemployment?
人们对1987年的通货膨胀率预期是按前两年通货膨胀率的算术平均来形成。设1987年的利率为6%,问该年的实际利率为多少?
A.0%
B.2%
C.5%
D.10%