问题
问答题
假设一个经济的商品市场由以下等式刻画:
货币市场均衡由以下LM曲线表达:
推导货币政策乘数的表达式，简要说明投资对收入的敏感性a对货币政策乘数的影响。
答案
参考答案：
由
可知，
货币政策乘数为：
投资对收入的敏感性a越大，aG越大，从而货币政策乘数越小。反之，货币政策乘数越大。
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假设一个经济的商品市场由以下等式刻画:
货币市场均衡由以下LM曲线表达:
推导货币政策乘数的表达式，简要说明投资对收入的敏感性a对货币政策乘数的影响。
参考答案：
由
可知，
货币政策乘数为：
投资对收入的敏感性a越大，aG越大，从而货币政策乘数越小。反之，货币政策乘数越大。
| 从下面方框中选择适当的选项填入短文中，使短文通顺、完整。其中有两项是多余选项。 | |
1._____a dollar in the bowl. Then he got on the train. Before the doors closed, something came to his mind and he went back to the beggar, took up some 2._____, and said, "After all, you are a businessperson and 3._____am I. "Then he left. Six months 4.______the manager came to a party. The beggar was also there in a suit and tie. The beggar went up to the manager and said, "You probably don't remember me but I remember you. " Then he talked about 5._____had happened six months before. The manager said, "I do remember that you were begging. What are you doing here in your suit and tie?" The beggar replied, "You probably don't remember what you did to me that day. You were the 6. _____person in my life who gave me back my dignity (尊严). You took away some pencils and said some words to me. 7._____you left, I said to myself,"What am I doing here? 8._____m I begging?' I decided to do something 9. _____to my life. Then I started working and here I am. I just want to thank you for giving me back my dignity. What you had done to me 10.___my life. " |