题目
中级宏观经济学题目求解
.Suppose that prices are completely rigid,so that the nominal and the real interest
rate are necessarily equal.Money-market equilibrium is therefore given by M/P
_
= L(r,Y).
a.Suppose that government purchases increase,and that the Federal Reserve adjusts
the money supply to keep the interest rate unchanged.
i.Does the money supply rise or fall?
ii.What happens to consumption and investment?
b.Suppose that government purchases increase,and that the Federal Reserve adjusts
the money supply to keep output unchanged.
i.Does the money supply rise or fall?
ii.What happens to consumption and investment?
c.Suppose that government purchases increase,and that the Federal Reserve keeps
the money supply unchanged.
i.Does the interest rate rise or fall?
ii.What happens to consumption and investment?
.Suppose that prices are completely rigid,so that the nominal and the real interest
rate are necessarily equal.Money-market equilibrium is therefore given by M/P
_
= L(r,Y).
a.Suppose that government purchases increase,and that the Federal Reserve adjusts
the money supply to keep the interest rate unchanged.
i.Does the money supply rise or fall?
ii.What happens to consumption and investment?
b.Suppose that government purchases increase,and that the Federal Reserve adjusts
the money supply to keep output unchanged.
i.Does the money supply rise or fall?
ii.What happens to consumption and investment?
c.Suppose that government purchases increase,and that the Federal Reserve keeps
the money supply unchanged.
i.Does the interest rate rise or fall?
ii.What happens to consumption and investment?
提问时间:2020-12-12
答案
a(1)政府购买增加IS右移,要保持r不变,LM要右移,货币供应需要增加(2)因为均衡收入增加,所以消费增加,利率保持不变,则投资不变b(1)IS右移,要保持Y不变,LM要左移,货币供应减少(2)收入不变,消费也不变;LM左移,...
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