中级微观经济学（双语）章节测试课后答案2024春

第六章测试

1.If a rational utility maximizer is a net demander of a good, and if an increase in its pricecauses him to buy more of it, then it must be an inferior good.
A:错 B:对
答案:B
2.If a consumer is a buyer of some goods and a seller of others, then a change in prices will generate an extra income effect in the Slutsky equation due to the revaluation of the consumer's endowment.
A:错 B:对 3.If a utility maximizer is a net seller of something and the price of that good rises while other prices stay constant, her situation might improve so much that she becomes a net buyer
A:错 B:对 4.Marsha Mellow is very flexible. She consumes x and y. She says `Give me x or give me y; I don't care. I can't tell the difference between them.' She is currently endowed with 14 units of x and 6 units of y. The price of x is 4 times the price of y. Marsha can trade x and y at the going prices, but has no other source of income. How many units of y will Marsha consume?
A:20 B:66 C:6 D:62 5.Yoram insists on consuming 3 times as much y as he consumes of x (so he always has y = 3x). He will consume these goods in no other ratio. The price of x is 2 times the price of y. Yoram has an endowment of 24 x0s and 42 y0s which he can trade at the going prices. He has no other source of income. What is Yoram's gross demand for x?
A:18 B:90 C:66 D:16 6.If leisure is a normal good, then an increase in non-labor income will reduce labor supply.
A:错 B:对 7.Mr. Cog has 18 hours per day to divide between labor and leisure. His utility function is U (C,R) = CR; where C is dollars per year spent on consumption and R is hours of leisure. If he has a nonlabor income of 40 dollars per day and a wage rate of 8 dollars per hour, he will choose a combination of labor and leisure that allows him to spend:
A:184 dollars per day on consumption. B:112 dollars per day on consumption. C:92 dollars per day on consumption. D:82 dollars per day on consumption. 8.If Abishag owns 12 quinces and 10 kumquats, and if the price of kumquats is 3 times the price of quinces, how many kumquats can she afford if she buys as many kumquats as she can?
A:10 B:22 C:14 D:28 9.If Abishag owns 16 quinces and 15 kumquats, and if the price of kumquats is 4 times the price of quinces, how many kumquats can she afford if she buys as many kumquats as she can?
A:15 B:38 C:31 D:19 10.The share price of Grath Oil is currently $77.06. Several months ago, when the price was $51.21, Charles bought 186 shares of Grath Oil. If he sells all of his stock in Grath Oil today, how much profit will he make? → $1,504.17
A:错 B:对