计算分析题:两部门经济中，如果在初始年份是均衡的，国民收入为1

搜题请搜索小程序“爱下问搜题”

问题问答题简答题

计算分析题:两部门经济中，如果在初始年份是均衡的，国民收入为1500亿元，现在：（1）每期投资增加100亿元，国民边际消费倾向为0.9，试问国民收入要达到多少亿元才能使国民经济恢复平衡？（2）如果不是每期投资都增加100亿元，而是每期消费增加100亿元，上述答案上否会变？如果每期消费增加150亿元呢？

答案

参考答案：

（1）国民收入增加额＝100×1／（1－0.9）＝1000亿元，即国民收入要达到2500亿元才能恢复国民经济均衡；

（2）不会变。如果消费增加150亿元国民收入增加额为1500亿元，即国民收入要达到3000亿元才能恢复国民经济均衡。

完形填空

完形填空。
Every year __1__ of foreign visitors come to New York. Most of them come by plane and __2__ of them by ship. Many visitors have some __3__ experiences at first. They can't find __4__ though they do, the ticket is expensive, and the drivers are impolite. The visitors can't help feeling surprised when they __5__ the New York skyscrapers (摩天大楼). They go to the __6__ of the Empire State Building and look out over the city. They notice the busy streets and the smoke in the air. When they walk down the streets they sometimes have to step over the dirt and rubbish. If they are __7__, they won't meet any pickpockets (扒手), but they know the city is dangerous. If the visitor's language isn't English, he will find it very __8__ to make himself understood and he has to use his __9__ and facial expressions (面部表情) to do so. When they leave, the visitors __10__ many deep impressions (印象) with them. They think New York is exciting, but they don't forget its bad .
( )1. A. hundred ( )2. A. little ( )3. A. good ( )4. A. shops ( )5. A. look ( )6. A. foot ( )7. A. unlucky ( )9. A. feet ( )10. A. bring	B. thousands B. many B. bad B. hotels B. hear B. side B. luckily B. hands B. take	C. million C. some C. worse C. cinemas C. see C. left C. lucky C. eyes C. carry	D. billion D. most D. well D. taxis D. watched D. top D. unluckily D. ears D. give

查看答案

单项选择题

什么叫做成本领导（）

A.领导人

B.成本核算

C.领导者

D.价钱的差异化

查看答案