2、Economics proceeds by making models of ( ), which are simplified representations of reality.
A:social phenomena
B:people’s imagination
C:stories
正确答案： social phenomena
3、The demand curve shows ( )
A:how much people would like to pay at the reserve prices.
B:how much firms would like to sell at each prices.
C:how much market would like to trade.
正确答案： how much people would like to pay at the reserve prices.
4、The conflict between the scarce economic wants of society and its limited resources gives rise to the economizing problem.
A:对
B:错
正确答案： 对
5、The only requirement for a market to be perfectly competitive is for the market to have many buyers and sellers.
A:对
B:错
正确答案： 对
第六章
1、If a rational utility maximizer is a net demander of a good, and if an increase in its price
causes him to buy more of it, then it must be an inferior good.
A:对
B:错
正确答案：
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:对
B:错
正确答案：
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:对
B:错
正确答案：
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:66
B: 20
C:62
D:6
正确答案：
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?[1] [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]下一页
