什么是消费者剩余(Consumer surplus)?
第1题
A.消费者主观愿意支付的最高价和最低价
B.消费者客观支付的最高价和最低价
C.消费者主观愿意支付的价格与实际价格
D.消费者客观支付的价格与生产成本
第4题
第5题
下表所显示的是1980-2000年间黄油的平均零售价格和消费者价格指数,1980年CPI=100。
(1)计算以1980年美元衡量的黄油实际价格,从1980-2000年,实际价格是上升了,还是下降了,抑或没有变化?
(2)从1980-2000年间,黄油实际价格(1980年美元)的变化率是多少?
(3)把CPI指数转换成1990=100的指数,然后以1990年美元来确定黄油的实际价格。
(4)从1980- 2000年间,黄油实际价格(1990年美元)的变化率是多少?试和你在(2)所得出的答案进行比较,你注意到什么了吗?请给出解释。
The following table shows the average retail price of butter and the Consumer Price Index from 1980 to 2000, scaled so that the CPI=100 in 1980.
a. Calculate the real price of butter in 1980 dollars. Has the real price increased/ decreased/stayed the same since 1980?
b. What is the percentage change in the real price (1980 dollars) from 1980 to 2000?
c. Convert the CPI into 1990 = 100 and determine the real price of butter in 1990 dollars.
d. What is the percentage change in the real price (1990 dollars) from 1980 to 2000? Compare this with your answer in (b). What do you notice? Explain.
此题为判断题(对,错)。
第6题
假定一个消费者在每一杯咖啡里总是加2匙糖。如果每匙糖的价格为p1
每杯咖啡的价格为p2,消费者花费在咖啡和糖上的总额为m美元,那么,他打
算分别购买多少咖啡和糖?
Suppose that a consumer always consumes 2 spoons of sugar with each cup of coffee.If the price of sugar is piper spoonful and the price of coffee is p1per cup and the consumer has m dollars to spend on coffee and sugar,how much will he or she want to purchase?