经济学选择题100道——有答案

1、1.The scientific method is not applicable to the study of economics because economics is not a true science. A)TrueB)False2.Hypotheses derived from economic analysis can be validated through empirical analysis, but hardly ever with absolute certainty. A)TrueB)False3.Which of the following statements

2、 relates to the concept of efficiency? A)The absence of waste. B)Using resources as effectively as possible. C)Being able to produce more of one good only by producing less of something else. D)All the above. E)b. and c. only. Use the following to answer question 4: Figure 1 4.Figure 1 displays the

3、production-possibilities of two countries. Given that both countries produce five units of x, which of the following best describes country B's production of y? A)Less than country A's production of y. B)The same as country A's production of y. C)More than country A's production of y

4、. D)Cannot be determined from the graph. E)None of the above. 5.Mass unemployment of resources means society operates inside its production-possibility frontier. A)TrueB)False6.If two goods use the same resources and the same technology, the production possibilities curve between the two goods will

5、have a positive slope. A)TrueB)False7.It is scarcity that makes goods economic goods. A)TrueB)False8.Which of the following is the most basic of the subjects with which the study of economics must try to deal? A)Markets. B)Money. C)Profit seeking. D)The price mechanism. E)Scarcity. 9.Poor money mana

6、gement by the government, aside from increasing the unemployment rate, will have a relatively small effect on the economy. A)TrueB)FalseUse the following to answer question 10: Figure 2 10.In Figure 2, what is Country B's cost of producing 1 unit of x in terms of y? A)10 units of y. B)1/2 units

7、of y. C)5 units of y. D)2 units of y. E)None of the above. 11.Barter is inconvenient because: A)bargaining power is unequal between rich and poor. B)without money, who can define "fair" values? C)my wants and supplies do not match your supplies and wants. D)it leads to imperfect competitio

8、n. E)all of the above. 12.The economic role of government in mixed economies can include: A)provision of public goods. B)tax collections. C)income redistribution. D)all of the above. E)none of the above. 13.By the "invisible hand," Smith meant the influence and lobbying of the hidden inter

9、est groups. A)TrueB)False14.A society which forgoes present consumption: A)is forced to do so because of excessive consumption within the country in the past. B)may be devoting new resources to new capital formation. C)is merely devoting resources to the replacement of capital. D)expects to consume

10、only that amount tomorrow which was foregone today. E)does none of the above. 15.An economic good is valued in part by its scarcity. A)TrueB)False16.The statement that roundabout methods of production are often more efficient than more direct methods: A)means that roundabout methods use the same inp

11、uts as more direct methods, except for time, which is not a scarce economic good. B)means that consumers ought to choose those goods which most lend themselves to roundabout methods of production. C)means that the most roundabout method is always the most efficient method of producing any output. D)

12、is false, for direct and indirect methods of production are usually the same in terms of efficiency. E)suggests that foregone consumption devoted to investment sometimes increases future output in ways that more closely match individual and/or social desires. 17.Which of the following statements is

13、true of specialization? A)Specialization is inconsistent with the idea of individual freedom. B)Economies that practice a division of labor are morally superior to those that do not. C)In accepting specialization, a person sacrifices his or her own interests for the sake of society's interest. D

14、)While specialization has enormous advantages, the costs outweigh them. E)Increased productivity is more likely to be achieved through specialization. 18.In an affluent modern society, businesses may have to offer workers more fulfilling jobs. A)TrueB)False19.Consumers vote their dollars primarily i

15、n: A)labor markets. B)land markets. C)capital markets. D)goods markets . E)none of the above. 20.An example of legal limitations on property rights is the prohibition of pollution. A)TrueB)False21.Lower prices coax out higher quantities demanded along a downward-sloping demand curve. A)TrueB)False22

16、.An increase in price will lead to a lower quantity demanded because: A)suppliers will supply only the smaller amount. B)quality deteriorates. C)people will purchase less of the good. D)all of the above. E)none of the above. Use the following to answer question 23: Figure 3 23.Let P* and Q* represen

17、t market clearing price and quantity, respectively. Given the supply and demand curves drawn in Figure 3, a reduction in the price of an input used in the production of Q can be expected to cause: A)P* and Q* to climb. B)P* to climb while Q* falls. C)P* to climb while Q* holds steady. D)P* to fall w

18、hile Q* climbs. E)P* and Q* to fall. Use the following to answer question 24:Table 1The Market for Potato Chips(quantities measured in bags per week)PriceQuantity SuppliedQuantity Demanded$1.00500 20002.00100017503.00150015004.00200012505.002500100024.According to Table 1, the equilibrium price for

19、potato chips is: A)$1.00. B)$2.00. C)$2.50. D)$3.00. E)$4.00. 25.Upward-sloping supply curves are the result of: A)increasing returns to scale. B)increasing costs of production. C)changes in government policies. D)changes in technology. E)none of the above 26.To say that a price "clears the mar

20、ket" is to say that everyone who wants that commodity is getting all they want. A)TrueB)False27.The position of the supply schedule for American-made cars will not be directly affected by which of the following? A)Union wage rates. B)Car prices. C)The possibility of strikes. D)A change in assem

21、bly technology. E)All of the above will affect supply. 28.The demand curve for a normal good will shift to the right if: A)income increases. B)population increases. C)the price of a substitute good increases. D)all the above. E)none of the above. 29.Given a fixed supply of lamb chops, a reduction in

22、 the price of pork chops (close substitutes) will tend to: A)shift the demand curve for lamb chops to the right. B)shift the demand curve for pork chops to the right. C)shift the demand curve for pork chops to the left. D)raise the price of lamb chops. E)lower the price of lamb chops. 30.One reason

23、that supply curves display positive slope is that: A)expanded production may require the use of superior resources. B)people are not willing to pay a higher price for more goods. C)expanded industry output might cause a labor shortage and subsequently increase the wage rate included in the cost of p

24、roduction. D)extra production brings in the more efficient, lower-cost producers. E)the law of diminishing returns is important to producers. 31.If a 1 percent change in price causes a 5 percent change in quantity demanded, then demand is price inelastic. A)TrueB)False32.Whenever total expenditure (

25、i.e., total revenue) remains the same after a change in price, the elasticity of demand is: A)greater than 1. B)less than 1. C)equal to 0. D)equal to 1. E)equal to infinity. 33.If price and quantity sold both decrease from one period to another, we may infer that the law of downward-sloping demand d

26、oes not operate in that market. A)TrueB)False34.In "tight" housing markets, rent controls are often applied to hold the price of housing to a "reasonable" level. What is the immediate effect of this price policy with respect to the allocative functions of prices, and the relative

27、 incomes of tenants and landlords? A)The allocative function of prices is impaired, but the tenants are prevented from gaining at the expense of the landlords. B)The allocative function of prices is not impaired, and the tenants are prevented from gaining at the expense of landlords. C)The allocativ

28、e function of prices is impaired, and the tenants who find housing gain at the expense of landlords. D)The allocative function of prices is not impaired, but the landlords gain at the expense of tenants who do not find housing. E)None of the above. 35.Which of the following inefficiencies might be t

29、he result of monopoly power's destroying a competitive equilibrium? A)Prices too high. B)Output too low. C)Wages distorted across the economy. D)Input prices distorted across the economy. E)All of the above.36.Dollar receipts for sellers of some commodities will be lower at higher prices. A)True

30、B)False37.The quantity of a good which a person will purchase will not depend on which one of the following items? A)The price of the good. B)His or her tastes. C)The prices of substitute goods. D)His or her income. E)The elasticity of supply. Use the following to answer question 38: Figure 438.Refe

31、r to Figure 4 once again. Suppose that now the demand curve has shifted to D'D'. At what point along D'D' is price elasticity equal to 1? A)G B)between G and H. C)H. D)between H and I. E)I. 39.Rank the supply curves in the figure below in order of greatest to least price elasticity a

32、t the common intersection point. A)C, A, B. B)B, A, C. C)B, C, A. D)A, B, C. E)None of the above. 40.A price subsidy of 20 cents per gallon on milk (which does not have a totally inelastic demand curve) will result in a: A)change in consumer tastes. B)drop in the equilibrium price of 20 cents per ga

33、llon. C)drop in the equilibrium price of less than 20 cents per gallon. D)drop in the equilibrium price of more than 20 cents per gallon. 41.The law of diminishing marginal utility states that the: A)ratio of MU to P for luxuries is lower than that for necessities. B)utility derived from the last un

34、it of the good consumed falls as the consumption of the good increases. C)ratio of MU to P will be the same for all goods. D)utility derived from total consumption of a good falls as consumption increases. E)none of the above. 42.A consumer is said to be in equilibrium in his or her choice between t

35、wo goods A and B when: A)the purchase of good A gives the same satisfaction as the purchase of good B. B)the last purchase of good A gives the same addition to satisfaction as the last purchase of good B. C)each penny spent on good A gives the same satisfaction as each penny spent on good B. D)the l

36、ast penny spent on good A gives the same addition to satisfaction as the last penny spent on good B. E)the last pennies spent on goods A and B generate no additions to satisfaction. 43.A consumer spends all of her income on two goods, coffee and doughnuts. She purchases coffee at 25 cents a unit wit

37、h a total utility of 800 and a marginal utility of 12. Doughnuts are purchase at 75 cents a unit with a total utility of 200 and a marginal utility of 24. In order to reach consumer equilibrium, she should consume: A)less doughnuts and more coffee. B)more doughnuts but the same amount of coffee. C)m

38、ore coffee but the same amount of doughnuts. D)more doughnuts and less coffee. E)the same amount of coffee and doughnuts. 44.If a person only consumes pickles and peanut butter, he will consume peanut butter up to the point where the: A)marginal utility of the last unit of peanut butter consumed equ

39、als that of the last unit of pickles consumed. B)total utility of peanut butter consumed equals the total utility of pickles consumed. C)consumer surplus of peanut butter consumption equals the consumer surplus of pickle consumption. D)last dollar spent on peanut butter consumption provides the same

40、 marginal utility as the last dollar spent on pickle consumption. E)none of the above. 45.Water tends to have a low marginal utility because substitutes for it are widely available. A)TrueB)False46.A good which sells for a higher price than one which is more important for welfare reflects the concep

41、t of: A)complementarity in demand. B)substitution. C)marginal or total utility. D)the paradox of value. E)law of diminishing marginal utility. 47.The price of good X is $1.50 and that of good Y, $1. A particular consumer who evaluates the marginal utility of Y to be 30 units, and is in equilibrium w

42、ith respect to purchases of X and Y, must consider the marginal utility of X to be: A)15 units. B)20 units. C)30 units. D)45 units. E)none of the above. 48.It is possible to sum individual demand curves to get the market demand curve only when all consumers are exactly alike in their demands. A)True

43、B)False49.The paradox of value is not the result of declining marginal utility. A)TrueB)False50.In the figure below, which area represents consumer surplus at a price of 5? A)OADC. B)OBEC. C)CEH. D)OBEH. E)CEGF. 51.Both in number and in dollar value of sales, the individual proprietorship is the dom

44、inant form of American enterprise. A)TrueB)FalseUse the following to answer question 52: Figure 5 52.Suppose that two inputs, K and L, are variable and increase at the same rate. Which one of the panels in Figure 5 represents Increasing Return to Scale (IRS)? A)Panel a. B)Panel b. C)Panel c. D)Panel

45、 d. E)None of the above. 53."Unlimited liability" in partnerships refers to the liability of each partner for her percentage share of any losses incurred, without limit, except for some legal minimum of property she is permitted to keep. A)TrueB)False54.The employment of which of the follo

46、wing inputs might be adjusted in the short run? A)Physical capital. B)Number of hours worked by labor. C)Units of energy required per unit output. D)Units of material required per unit output. E)None of the above. 55.Numerically, the bulk of businesses in the U.S. are: A)corporations. B)partnerships

47、. C)sole proprietorships. D)farms. E)mom-and-pop retail shops. 56.If incomes were properly distributed, competitive general equilibrium would move resources to the best use for consumers' satisfaction. A)TrueB)FalseUse the following to answer questions 57:Total Product withVarious Input Combinat

48、ionsLandLabor101520000012020.6720.523839.3340.035457.0058.546872.6776.058087.3392.5690102.00108.057.Suppose that production were defined by the function recorded in the table above. For diminishing returns to continue to hold for the 7th unit of labor with land equal to 15 units, total product for t

49、he combination of labor =7; land = 15 would have to be less than: A)0. B)116.67. C)115.67. D)114.67. E)none of the above. Use the following to answer questions 58-59:Table 2Total Product withVarious Input CombinationsLandLabor101520000012020.6720.523839.3340.035457.0058.546872.6776.058087.3392.56901

50、02.00108.058.The production process defined by the function recorded in Table 2 displays diminishing returns in both labor and land. A)TrueB)False59.The production process defined by the function recorded in Table 2 displays decreasing returns to scale for labor but not for land. A)TrueB)False60.Whi

51、ch of the following is an example of a project that could be observed in the short run? A)The construction of a new assembly line to match an existing one. B)The construction of a new assembly line to take advantage of a new technology. C)The moving of an established assembly line to bring it geogra

52、phically closer to a market. D)The sale of an existing assembly line on the scrap market to finance part of a new facility. E)None of the above. 61.Horizontal long-run MC is associated with constant returns to scale. A)TrueB)False62.A fixed cost is: A)the cost of any input whose per-unit price has b

53、een fixed, whether by long-term contract or by some similar means. B)a cost whose increases are exactly proportional to increases in output. C)any component included in average cost which enters in AC as the same fixed per-unit amount, no matter what the level of plant output may be. D)a cost which

54、the firm would incur even if its output were zero. E)none of the above. Use the following to answer questions 63-64:Table 3QuantityVariable CostTotal Cost125402456036075470855851006105120713214763.What is MC between Q = 3 and Q = 4 in Table 3? A)10 B)15 C)20 D)25 E)None of the above. 64.What is AFC at Q = 5 in Table 3? A)3 B)4 C)5 D)7.5 E)15 65.Total cost at q + 1 minus total cost at q gives marginal cost for the qth unit. A)TrueB)False66.The balance sheet always balances because: A)by definition, profit is the residual between revenue and cost. B)every proper of