第2题
A.无论是短期还是长期,都导致总产量增加
B.短期没有影响,长期导致总产量增加、
C.长期没有影响,短期导致总产量增加
D.无论是短期还是长期,总产量都不变,仅仅是价格水平上升了
第3题
A.148.5
B.66
C.59.7
D.53.33
第4题
你是否同意以下说法?试解释。
(1)如果3磅奶酪可以交换2瓶酒,那么奶酪的价格是酒的价格的2/3。
(2)只有当一个国家相对于它的贸易伙伴能在较低的绝对成本水平上生产时,它才能从交易中获益。
(3)如果生产的边际成本和平均成本固定,那么对于这个国家来说,它应该完全专业化生产一些产品,而进口其余的产品。
(4)假设劳动是惟一的投入,生产1码布的机会成本是3蒲式耳小麦,那么每单位小麦生产需要3倍于1单位布所需的劳动投入。
第5题
(1)国内价格将是多少?
(2)国内生产者和消费者的损益各为多少?
(3)对无谓损失和国外生产者会产生什么影响?
Example 9.5 (page 308 ) describes the effects of the sugar quota. In 2005 , imports were limited to 5.3 billion pounds , which pushed the domestic price to 27 cents per pound. Suppose imports were expanded to 10 billion pounds.
a What would be the new U. S. domestic price?
b. How much would consumers gain and domestic producers lose?
c. What would be the effect on deadweight loss and foreign producers?
第6题
(1)如果公司决定将两种产品的价格都提高10%,其销售量会有什么变化?销售收入呢?
(2)你能否从已知的信息中判断,哪个产品会给厂商带来最大的收入?如果答案是肯定的,为什么?如果无法做出回答,你还需要哪些信息?
The ACME Corporation determines that at current prices the demand for its computer chips has a price elasticity of-2 in the short run, while the price elasticity for its disk drives is- 1.
a. If the corporation decides to raise the price of both products by 10 percent , what will happen to its sales? To its sales revenue?
b. Can you tell from the available information which product will generate the most revenue for the firm? If yes, why? If not, what additional information would you need?
第8题
A.9月份大豆现货价格下跌至698美分/蒲式耳,且看涨期权价格跌至4美分/蒲式耳
B.9月份大豆现货价格下跌至620美分/蒲式耳,且看涨期权价格跌至1美分/蒲式耳
C.9月份大豆现货价格上涨至710美分/蒲式耳,且看涨期权价格上涨至9美分/蒲式耳
D.9月份大豆现货价格上涨至780美分/蒲式耳,且看涨期权价格上涨至42美分/蒲式耳
第9题
A.①②③
B.①②④
C.②③④
D.①②③④
第10题
A.7920
B.6545
C.7500
D.7800
第11题
A.绩效提升了1.9元
B.绩效减少了1.9元
C.绩效提升了2.1元
D.绩效减少了2.1元