第1题
假设LM方程为y=500亿美元+25r(货币需求L=0.20y-5r,货币供给为100亿美元)。
(1)计算:1)当IS为y=950亿美元-50r(消费c=40亿美元+0.8yd,投资i=140亿美元-10r,税收t=50亿美元,政府支出g=50亿美元)时和2)当IS为y=800亿美元-25r(消费c=40亿美元+0.8yd,投资i=110亿美元-5r,税收t=50亿美元。政府支出g=50亿美元)时的均衡收入、利率和投资。
(2)政府支出从50亿美元增加到80亿美元时,情况1)和情况2)中的均衡收入和利率各为多少?
(3)说明政府支出从50亿美元增加到80亿美元时,为什么情况1)和情况2)中收入的增加有所不同。
第2题
A.面目全非 残垣断壁
B.面目可憎 体无完肤
C.面目一新 惨不忍睹
D.面目全非 千疮百孔
第3题
A、分红率15%,资产负债率30%的抵押型REITS可以进行投资
B、REITS的债务规模会影响未来REITS的分红
C、美国权益型REITS的平均分红率大于8%时视为最佳卖出时机
第7题
a.在没有对外贸易时,美国和欧洲汽车市场上均衡的厂商数量是多少?
b.在没有对外贸易时,美国和欧洲汽车市场上均衡的价格是多少?
c.现在假设美欧之间进行自由贸易,美国市场上除了原有的3亿人口外,将增加5.33亿人口。在美国和欧洲汽车市场上将有多少汽车厂商?汽车新的均衡价格是多少?
d.美国市场上汽车的价格在b和c中为何不同?自由贸易改善了消费者的福利吗?是怎样改善的?
Suppose that fixed costs for a firm in the automobile industry (start- up costs of factories, capital equipment, and so on) are $5 billion and that variable costs are equal to $17,000 per finished automobile. Because more firms increase competition in the market, the market price falls as more firms enter an automobile market, or specifically, where n represents the number of firms in a market. Assume that the initial size of the U.S. and the European automobile markets are 300 million and 533 million people, respectively.
a.Calculate the equilibrium number of firms in the U.S. and European automobile markets without trade.
b.What is the equilibrium price of automobiles in the United States and Europe if the automobile industry is closed to foreign trade?
c.Now suppose that the United States decides on free trade in automobiles with Europe. The trade agreement with the Europeans adds 533 million consumers to the automobile market, in addition to the 300 million in the United States. How many automobile firms will there be in the United States and in Europe combined? What will be the new equilibrium price of automobiles?
d.Why are prices in the United States different in (c) than in (b) ? Are consumers better off with free trade? In what ways?
第8题
A.400美元以下
B.4750美元以上
C.400-2000美元
D.2000-4750美元