A.他先后将该公司的6辆车分别送给副市长和其他领导干部的子女长期使用。
B.那天下午,数十位死难者的亲属聚集在矿主的家门口,要求讨个说法。
C.本人已八十高龄,体弱多病,目前头脑尚清醒,决定辞世后×楼×室产权归义女李小玲继承,特立此遗嘱。
D.奇瑞汽车、江淮汽车的升级换代产品在本届车博会上受到专家的一致好评。
A.2008年11月11日
B.2009年11月11日
C.2009年4月29日
D.20lO年4月29日
2006年4月到2007年12月间,港口货物吞吐量高于900万吨的月份有多少个?
A12 B13
C10 D11
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?
A.①乙、②丙、③丁、④戊
B.①丙、②丁、③戊、④乙
C.①丁、②戊、③丙、④乙
D.①丙、②丁、③乙和戊
A.汽车生产能力的增长开始超过需求量的增长
B.汽车单位生产成本的下降
C.原材料价格下降,使厂商制订出降价策略
D.私人购车占主导地位意味着市场对价格越来越敏感