智慧树知到《中级微观经济学（双语）（山东联盟）》章节测试答案

1、精品资料欢迎阅读 智慧树知到中级微观经济学（双语）（山东联盟）章节测试答案 智慧树知到中级微观经济学（双语）（山东联盟）章节测试答案第一章1、What Microeconomics is about?(   )A:Study of Business EnvironmentB:Study of financial position of the economyC:Study of the Economy at Micro Level正确答案： Study of the Economy at Micro Level2、Economics proceeds by making m

2、odels of (   ), which are simplified representations of reality.A:social phenomenaB:people’s imaginationC:stories正确答案： social phenomena3、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.

3、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

4、 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 pricecauses 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,

5、 then a change in prices will generate an extra income effect in the Slutsky equation due to the revaluation of the consumers 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

6、much that she becomes a net buyerA: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 dont care. I cant 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 c

7、an trade x and y at the going prices, but has no other source of income. How many units of y will Marsha consume?A:66B: 20C:62D: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 time

8、s 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 Yorams gross demand for x? A:90B:66C:18D:16正确答案： 6、If leisure is a normal good, then an increase in non-labor income will reduce labor supply.A:对B:错正确答案： 7、

9、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

10、 labor and leisure that allows him to spend:A:184 dollars per day on consumption.B:82 dollars per day on consumption.C:112 dollars per day on consumption.D:92 dollars per day on consumption.正确答案： 8、If Abishag owns 12 quinces and 10 kumquats, and if the price of kumquats is 3 times the price of quinc

11、es, how many kumquats can she afford if she buys as many kumquats as she can?A:28B:22C:10D:14正确答案： 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:38B:31C:15D:19正确答案

12、： 10、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 xs and 42 ys which he can trade at the going prices. He has no other source of income

13、. What is Yorams gross demand for x?A:90B:66C:18D:16正确答案： 第八章1、The inverse demand curve P (x) for a good x measures the price per unit at which the quantity x would be demanded.A:对B:错正确答案： 2、If a price changes, then changes in consumption at the intensive margin are changes that happen because consu

14、mers alter the amounts that they consume, but do not either stop consuming or start consuming the good.A:对B:错正确答案： 3、If the demand function is q = 3m=p; where m is income and p is price, then the absolute value of the price elasticity of demand decreases as price increases.A:对B:错正确答案： 4、A peck is 1/

15、4 of a bushel. If the price elasticity of demand for bran is -0.2 when bran is measured in bushels, then when bran is measured in pecks, the price elasticity of demand for bran will be: A:-0.05B: -0.8 C:-0.1 D: None of the above.正确答案： 5、The demand function is described by the equation q(p) = 190- p/

16、5. The inverse demand function is described by:A:q(p) = 190 -5p.B:p(q) = 950 -5q.C:q(p)=1/(190 -p/5).D:p(q)=1/190 -q/5.正确答案： 6、Marginal revenue is equal to price if the demand curve is horizontal.A:对B:错正确答案： 7、The constant elasticity of demand for cigarettes has been estimated to be 0.5. To reduce s

17、moking by 75%, approximately how much tax needs to be added to a $1 pack?A:$0.38B:$0.75C:$1.5D:$2.25正确答案： 8、If the marginal cost of brewing beer is 40 cents and the profit maximizing price is 80 cents,then the price elasticity of demand isA:-0.66B:-1.8C:-2D:-2.33正确答案： 9、A peck is 1/4 of a bushel. If

18、 the price elasticity of demand for bran is -0.2 when bran is measured in bushels, then when bran is measured in pecks, the price elasticity of demand for bran will be:A:-0.05B:-0.8C:-0.1D:None of the above.正确答案： 10、The demand function is described by the equation q(p) = 190- p/5. The inverse demand

19、 function is described by:A:q(p) = 190 -5p.B:p(q) = 950 -5q.C:q(p)=1/(190 -p/5).D:p(q)=1/190 -q/5.正确答案： 第九章1、If the supply curve is vertical, then the amount supplied is independent of price.A:对B:错正确答案： 2、The supply curve slopes up and to the right. If the demand curve shifts upward to a new curve w

20、hich is everywhere higher than the old curve (but possibly of different slope) and if the supply curve does not shift, then the equilibrium price and quantity must necessarily increase.A:对B:错正确答案： 3、An economic situation is Pareto optimal only if there is no way to make someone better off.A:对B:错正确答案

21、： 4、The demand for pickles is given by p=131-2q and supply is given by p=5+7q. What is the equilibrium quantity?A:11B:14C:19D:103正确答案： 5、The demand function for fresh strawberries is q = 200-5p and the supply function is q=60+2p. What is the equilibrium price? A:10B:20C:40D:50正确答案： 6、If a quantity t

22、ax is collected from competitive suppliers of a good, placing a tax on the good causes the price paid by consumers to increase more than if the tax had been collected directly from the buyers.A:对B:错正确答案： 7、The demand function for x is D(p) = 65-2p and the supply function is S(p) = 20 + p. The price

23、that should be set to restrict quantity supplied to 30 units is closest to:A:5B:10C:15D:50正确答案： 8、The demand function for rental apartments is q = 960-7p and the supply function is q = 160 + 3p. The government makes it illegal to charge a rent higher than 35. How much excess demand will there be?A:1

24、49B:450C:364D:726正确答案： 9、The demand for pickles is given by p=131-2q and supply is given by p=5+7q. What is the equilibrium quantity?A:11B:14C:19D:103正确答案： 10、The demand function for fresh strawberries is q = 200-5p and the supply function is q=60+2p. What is the equilibrium price?A:10B:20C:40D:50正确

25、答案： 第十章1、 The production set of a firm is the set of all products the firm can produce.A:对B:错正确答案：2、 A production isoquant is a locus of combinations of inputs that are equally profitable.A:对B:错正确答案：3、 If a firm moves from one point on a production isoquant to another point on the same isoquant, whi

26、ch of the following will certainly NOT happen?A:a change in the level of outputB:a change in the ratio in which the inputs are combinedC:a change in the marginal products of the inputsD:a change in the rate of technical substitution正确答案：4、In any production process, the marginal product of labor equa

27、ls:A:the value of total output minus the cost of the fixed capital stock.B:the change in output per unit change in labor input for small changes in the amount of input.C:total output divided by total labor inputs.D:total output produced with the given labor inputs.正确答案： 5、The inverse demand curve P

28、(x) for a good x measures the price per unit at which the quantity x would be demanded. A:对B:错正确答案： 6、 The production function f (x,y) = x + y has constant returns to scaleA:对B:错正确答案：7、 The production function Q = 50K0.75L0.75exhibitsA:increasing returns to scale.B:constant returns to scale.C:decrea

29、sing returns to scale.D:increasing, then diminishing returns to scale.正确答案：8、 A firm has a production function f (x,y)=1:10(x0.20+ y0.20)5 whenever x > 0 and y > 0.A:increasing returns to scale.B:decreasing returns to scale.C:constant returns to scale.D:increasing returns to scale if x + y >

30、; 1 and decreasing returns to scale otherwise.正确答案：9、 If a firm moves from one point on a production isoquant to another point on the same isoquant, which of the following will certainly NOT happen?A:a change in the level of outputB:a change in the ratio in which the inputs are combinedC:a change in

31、 the marginal products of the inputsD:a change in the rate of technical substitution正确答案：10、 In any production process, the marginal product of labor equals:A:The value of total output minus the cost of the fixed capital stock.B:the change in output per unit change in labor input for small changes i

32、n the amount of input.C:total output divided by total labor inputs.D:total output produced with the given labor inputs.正确答案：第十二章1、 A firm in a competitive industry takes account of the fact that the demand curve it confronts has a significant negative slope.A:对B:错正确答案：2、 In a perfectly competitive i

33、ndustry, the demand curve for the total output of the industry may be downward sloping.A:对B:错正确答案：3、Price equals marginal cost is a sufficient condition for profit maximizationA:对B:错正确答案： 4、 A profit maximizing firm continues to operate even though it is losing money. It sells its product at a price

34、 of $100. From these facts we deduce that:A:average total cost is less than $100.B:average fixed cost is less than $100.C:marginal cost is increasing.D:average variable cost is less than $100.正确答案： 5、A profit maximizing dairy farm is currently producing 10,000 gallons of milk per day. The government

35、 is considering two alternative policies. One is to give the farm a lump sum subsidy of $500 per month. The other policy is to give the farm a subsidy of $.05 per gallon of output.A:Both kinds of subsidy will increase production at this farm.B:Neither subsidy will affect production at this farm, sin

36、ce output is determined by profit maximization.C:Production at this farm will be increased if the per unit subsidy is adopted, but not if the lump-sum subsidy is adopted.D:Which subsidy has the greater effect on production at this farm depends on whether fixed costs are greater than variable costs.E

37、:Production will be increased by either kind of subsidy if and only if there are not decreasing returns to scale.正确答案： 6、 The cost function c(w1,w2,y) expresses the cost per unit of output of producing y units of output if equal amounts of both factors are used.A:对B:错正确答案：7、 If it costs $10 to set u

38、p and later clean a bagel press and bagels cost $1 per week, per bagel, to store, how many times should the bagel press be run each week to produce 500 bagels a week to be sold continuously?A:Once.B:TwiceC:3 times.D:4 times正确答案：8、 If output is produced according to Q = 4LK, the price of K is $10, an

39、d the price of L is$10, then the cost minimizing combination of K and L capable of producing 16 units of output isA:L = 4 and K = 1B:L = 2 and K = 2C:L = 1 and K = 1D:L = 8 and K = 8正确答案：9、 The average variable cost curve must always be U shaped.A:对B:错正确答案：10、 The marginal cost curve passes through

40、the minimum point of the average fixed cost curve.A:对B:错正确答案：第十三章1、 A firm in a competitive industry takes account of the fact that the demand curve it confronts has a significant negative slope.A:对B:错正确答案：2、 In a perfectly competitive industry, the demand curve for the total output of the industry

41、may be downward sloping.A:对B:错正确答案：3、Price equals marginal cost is a sufficient condition for profit maximization A:对B:错正确答案： 4、 A profit maximizing firm continues to operate even though it is losing money. It sells its product at a price of $100. From these facts we deduce that:A:average total cost

42、 is less than $100.B:average fixed cost is less than $100.C:marginal cost is increasing.D:average variable cost is less than $100.正确答案：5、A profit maximizing dairy farm is currently producing 10,000 gallons of milk per day. The government is considering two alternative policies. One is to give the fa

43、rm a lump sum subsidy of $500 per month. The other policy is to give the farm a subsidy of $.05 per gallon of output.A:Both kinds of subsidy will increase production at this farm.B:Neither subsidy will affect production at this farm, since output is determined by profit maximization.C:Production at

44、this farm will be increased if the per unit subsidy is adopted, but not if the lump-sum subsidy is adopted.D:Which subsidy has the greater effect on production at this farm depends on whether fixed costs are greater than variable costs.E:Production will be increased by either kind of subsidy if and

45、only if there are not decreasing returns to scale.正确答案： 6、 The change in producer’s surplus when the market price changes from p1 to p2 is half of the area to the left of the marginal cost curve between p1 and p2.A:对B:错正确答案：7、 A firm has the long run cost function C(q)=4q2+ 4. In the long run,

46、 it will supply a positive amount of output, so long as the price is greater than:A:16B:24C:4D:8正确答案：8、 Suppose that Dent Carr’s long run total cost of repairing s cars per week is c(s)=3s2+ 27.If the price he receives for repairing a car is 30, then in the long run, how many cars will he fix

47、perweek if he maximizes profits?A:5B:0C:10D:7.5正确答案：9、 A profit maximizing firm continues to operate even though it is losing money. It sells its product at a price of $100. From these facts we deduce that:A:average total cost is less than $100.B:average fixed cost is less than $100.C:marginal cost

48、is increasing.D:average variable cost is less than $100.正确答案： 10、 A profit maximizing dairy farm is currently producing 10,000 gallons of milk per day. The government is considering two alternative policies. One is to give the farm a lump sum subsidy of $500 per month. The other policy is to give th

49、e farm a subsidy of $.05 per gallon of output.A:Both kinds of subsidy will increase production at this farm.B:Production at this farm will be increased if the per unit subsidy is adopted, but not if the lump-sum subsidy is adopted.C:Which subsidy has the greater effect on production at this farm dep

50、ends on whether fixed costs are greater than variable costs.D:Production will be increased by either kind of subsidy if and only if there are not decreasing returns to scale.正确答案：第二章1、If there are two goods with positive prices and the price of one good is reduced, while income and other prices rema

51、in constant, then the size of the budget set is reduced.A:对B:错正确答案： 错2、If preferences are transitive, more is always preferred to less.A:对B:错正确答案： 错3、With quasi-linear preferences, the slope of indifference curves is constant along all rays through the origin.A:对B:错正确答案： 错4、Hans has 27 dollars, whic

52、h he decides to spend on x and y. Commodity x costs $16 per unit and commodity y costs $10 per unit. He has the utility function U (x, y)=5x2 + 2y2 and he can purchase fractional units of x and y.A: Hans will choose only x.B: Hans will choose only y.C: Hans will chose some of each commodity, but mor

53、e y than x.D: Hans will choose some of each commodity, but more x than y.正确答案：  Hans will choose only y.5、Wanda Littlemores utility function is U (x, y) = x + 63y2.Her income is 184. If the price of x is 1 and the price of y is 33, how many units of good x will Wanda demand?A:17B:22C:24D:19正确答案： 19第三章1、If preferences are quasilinear, then for very high incomes t