曼昆宏觀經(jīng)濟(jì)學(xué)Chapter01習(xí)題及答案

1、百度文庫-讓每個人平等地提升自我Chapter 1Ten Principles of EconomicsMULTIPLE CHOICE/1. The word that comes from the Greek word for“ one who manages a household ” isa. market./b. consumer. /c. producer. J、d. economy. /ANSWER: d. economy.TYPE: M SECTION: 1 DIFFICULTY: 12. The word economy comes from the Greek word fo

2、ra. environment.b. ” one who manages a household.”c. ” one who participates in a market.”d. ” conservation. ”ANSWER: b. " one who manages a household.”TYPE: M SECTION: 1 DIFFICULTY: 13. Households and economies have each of the following in common EXCEPT both a. must allocate scarce resources.b

3、. face many decisions.c. must allocate the goods and services they produce.d. must have a central decisionmaker. ANSWER: d. must have a central decisionmaker. TYPE: M SECTION: 1 DIFFICULTY: 24. Economics deals primarily with the concept ofa. scarcity.b. poverty.c. change.d. power.ANSWER: a. scarcity

4、. TYPE: M SECTION: 1 DIFFICULTY: 15. Which of the following is NOT included in the decisions that every society must make?a. what goods will be producedb. who will produce goodsc. what determines consumer preferencesd. who will consume the goods/ANSWER: c. what determines consumer preferences/TYPE:

5、M SECTION: 1 DIFFICULTY: 26. Both households and societies face many decisions because a. resources are scarce.b. populations may increase or decrease over time.c. wages for households and therefore society fluctuate with business cycles. /d. people, by nature, tend to disagree.、ANSWER: a. resources

6、 are scarce. /TYPE: M SECTION: 1 DIFFICULTY: 27. A good is considered scarce in a society whena. more output of the good is possible./b. everyone in that society cannot have all they want of the good.c. the government restricts production of the good. Jd. only the richest people in the economy can b

7、uy all they want of the good.ANSWER: b. everyone in that society cannot have all they want of the good. TYPE: M SECTION: 1 DIFFICULTY: 28. Scarcity exists when/a. there is less than an infinite amount of a resource or good.b. society can meet the wants of every individual.c. there is less of a good

8、or resource available than people wish to have.d. the government fails to produce goods.ANSWER: c. there is less of a good or resource available than people wish to have. TYPE: M SECTION: 1 DIFFICULTY: 29. Which of the following would NOT be true in a world without scarcity?a. There would be no need

9、 for the science of economics.Jb. Everyone would have all the goods and services they wanted./ c. There would have to be an infinite supply of every resource.d. There would be opportunity costs.ANSWER: c. There would have to be an infinite supply of every resource. TYPE: M SECTION: 1 DIFFICULTY: 210

10、. Approximately what percentage of the world' s economies expetyence sca. 25% b. 50% c. 75% d. 100%ANSWER: d. 100%TYPE: M SECTION: 1 DIFFICULTY: 111. When a society cannot produce all the goods and services people wish to have it is said that the economy is experiencing a. scarcity. b. communism

11、. c. externalities. d. market failure.ANSWER: a. scarcity. TYPE: M SECTION: 1 DIFFICULTY: 112. For society, a good is not scarce ifa. at least one individual in society can obtain all he or she wants of the good.b. firms are producing at full capacity.c. all members of society can have all they want

12、 of it.d. those who have enough income can buy all they want of the good.ANSWER: c. all members of society can have all they want of it./TYPE: M SECTION: 1 DIFFICULTY: 2/13. Which product would be considered scarce?a. Nike shoesb. Monet paintings c. 1-carat diamonds d. All of the above are correct./

13、ANSWER: d. All of the above are correct./TYPE: M SECTION: 1 DIFFICULTY: 2/14. Which of the following goods best meets the definition of scarcity?a. air/b. water in the ocean/c. water in a city/d. wood in a forest/ANSWER: c. water in a city/'TYPE: M SECTION: 1 DIFFICULTY: 215. Economics is define

14、d as the study ofa. business./b. how society manages its scarce resources.c. central planning.d. government regulation.ANSWER: b. how society manages its scarce resources.TYPE: M SECTION: 1 DIFFICULTY: 116. Economics is the study ofa. how society manages its scarce resources.b. the government '

15、s role in society.c. how a market system functions.d. how to increase production.ANSWER: a. how society manages its scarce resources.TYPE: M SECTION: 1 DIFFICULTY: 117. In most societies, resources are allocated bya. a single central planner.b. those who own the resources.c. those firms that use res

16、ources to provide goods and services.d. the combined actions of millions of households and firms. ANSWER: d. the combined actions of millions of households and firms. TYPE: M SECTION: 1 DIFFICULTY: 218. Economists study all of the following EXCEPTa. how people make decisions.b. how people interact w

17、ith one another.c. the forces and trends that affect the economy as a whole.d. how societies change over time.ANSWER: d. how societies change over time.TYPE: M SECTION: 1 DIFFICULTY: 219. Which of the following is NOT a major area of study for economists?a. how people make decisions b. how countries

18、 choose national leadersc. how people interact with each otherd. how forces and trends affect the overall economyANSWER: b. how countries choose national leadersTYPE: M SECTION: 1 DIFFICULTY: 2is used to illustrate the concept of20. The adage, “ There is no such thing as a free lunch, a. tradeoffs.b

19、. scarcity.c. productivity.d. efficiency.ANSWER: a. tradeoffs.TYPE: M SECTION: 1 DIFFICULTY: 221. The adage, “ There is no such thing as a free lunch,“ meansa. even people on welfare have to pay for food./b. the cost of living is always increasing./c. to get something we like, we usually have to giv

20、e up another thing we like.d. all costs are included in the price of a product.ANSWER: c. to get something we like, we usually have to give up another thing we like. TYPE: M SECTION: 1 DIFFICULTY: 222. Economists use the phrase“ There is no such thing as a free lunch, " to illustratea. how infl

21、ation increases prices.b. that to get one thing, we must give up something else.c. that nothing is free in a market economy.d. that if something looks too good to be true, it probably is.ANSWER: b. that to get one thing, we must give up something else. TYPE: M SECTION: 1 DIFFICULTY: 223. Which best

22、represents the concept represented by the adage,“ There is no such thing as a free luncha. Melissa can only attend the concert if she takes her sister with her.Jb. Greg is hungry and homeless./ c. Brian must repair the tire on his bike before he can ride it to class.d. Kendra must decide between goi

23、ng to Colorado or Cancun for spring break.ANSWER: d. Kendra must decide between going to Colorado or Cancun for spring break.TYPE: M SECTION: 1 DIFFICULTY: 324. Guns and butter are used to represent the classic societal tradeoff between spending ona. durable and nondurable goods.b. imports and expor

24、ts.c. national defense and consumer goods.d. law enforcement and agriculture.ANSWER: c. national defense and consumer goods. TYPE: M SECTION: 1 DIFFICULTY: 225. Henry decides to spend two hours playing golf rather than working at his job which pays $8 per hour. Henry tradeoff isa. the $16 he could h

25、ave earned working for two hours.b. nothing, because he enjoys playing golf more than working.c. the increase in skill he obtains from playing golf for those two hours.d. nothing, because he spent $16 for green fees to play golf.ANSWER: a. the $16 he could have earned working for two hours. TYPE: M

26、SECTION: 1 DIFFICULTY: 226. When society requires that firms reduce pollution, there isa. a tradeoff because of reduced incomes to the firms' owners, workers, and customers.b. no tradeoff, since everyone benefits from reduced pollution.c. no tradeoff for society as a whole, since the cost of red

27、ucing pollution falls only on the firms affected by the requirements./d. a tradeoff only if some firms are forced to close./ANSWER: a. a tradeoff because of reduced incomes to the firms' owners, woersrs, and custTYPE: M SECTION: 1 DIFFICULTY: 3小27. Daniel decides to spend the last two hours of t

28、he night before his economics exam studying instead of sleeping. ForDaniel, his tradeoff would bea. nothing, since no dollar value can be put on sleep.b. nothing, since studying would be more beneficial than sleep./c. the six hours of sleep he could have had if he had gone to bed before midnight.d.

29、the two hours of rest he would have gotten. 、/ANSWER: d. the two hours of rest he would have gotten. .'TYPE: M SECTION: 1 DIFFICULTY: 228. A tradeoff exists between a clean environment and a higher level of income in thata. studies show that individuals with higher levels of income actually poll

30、ute less than low-income individuals.b. to pay for pollution clean-up, the government must increase taxes which lowers income.c. laws that reduce pollution raise costs of production and reduce incomes.d. by employing individuals to clean up pollution, employment and income both rise. ANSWER: c. laws

31、 that reduce pollution raise costs of production and reduce incomes. TYPE: M SECTION: 1 DIFFICULTY: 329. Which of the following would NOT be a result of laws that require firms to reduce pollution? a. lower spending by government b. higher prices to consumersc. lower wages to workers d. smaller prof

32、it to firmsANSWER: a. lower spending by government TYPE: M SECTION: 1 DIFFICULTY: 230. Pollution regulations willa. increase profit to firms.Z b. impose a tradeoff on society.c. allow firms to raise workers' wages.d. lower prices for consumers.ANSWER: b. impose a tradeoff on society.TYPE: M SECT

33、ION: 1 DIFFICULTY: 231. Which of the following best defines efficiency? a. absolute fairness b. equal distribution c. minimum waste d. consumer sovereignty ANSWER: c. minimum waste TYPE: M SECTION: 1 DIFFICULTY: 132. Which of the following is true?a. Efficiency refers to the size of the economic pie

34、; equity refers to how the pie is divided.b. Fortunately, government policies are designed to promote both equity and efficiency.c. As long as the economic pie continually gets larger, no one will have to go hungry.d. Efficiency and equity can both be achieved if the economic pie is cut into equal p

35、ieces. ANSWER: a. Efficiency refers to the size of the economic pie; equity refers to how the pie is divided. TYPE: M SECTION: 1 DIFFICULTY: 333. Efficiency means that/a. society is conserving resources in order to save them for the future.b. society ' s goods and services are distributed fairly

36、 among society' s members.c. society has lessened its dependence on foreign energy sources.d. society is getting the most it can from its scarce resources. ANSWER: d. society is getting the most it can from its scarce resources. TYPE: M SECTION: 1 DIFFICULTY: 234. Economists use the word equity

37、to describe a situation in which/a. each member of society has the same income.b. society is getting the most it can from its scarce resources.c. those in society who have the least will receive the most./d. the benefits of society' s resources are distributed fairly among society' s members

38、.ANSWER: d. the benefits of society' s resources are distributed fairly among society' s members.TYPE: M SECTION: 1 DIFFICULTY: 2/35. One definition of equity would bea. equality./b. efficiency./c. fairness./d. similarity./ANSWER: c. fairness./TYPE: M SECTION: 1 DIFFICULTY: 136. When governm

39、ent policies are being designed,a. there is usually a tradeoff between equity and efficiency.b. equity and efficiency goals are usually independent of each other.c. equity can usually be achieved without an efficiency loss.d. increasing efficiency usually results in more equity.ANSWER: a. there is u

40、sually a tradeoff between equity and efficiency. TYPE: M SECTION: 1 DIFFICULTY: 237. When government policies such as the welfare system try to help the most needy members of society, it a. increases equity and reduces efficiency.Jb. reduces charitable contributions in an economy./ c. increases the

41、productivity of the needy in the society.d. causes market failure to occur.ANSWER: a. increases equity and reduces efficiency.TYPE: M SECTION: 2 DIFFICULTY: 238. When the government implements programs such as progressive income tax rates, which of the following is likely to occur?a. Equity is incre

42、ased and efficiency is increased.b. Equity is increased and efficiency is decreased.c. Equity is decreased and efficiency is increased.d. Equity is decreased and efficiency is decreased.ANSWER: b. Equity is increased and efficiency is decreased. TYPE: M SECTION: 2 DIFFICULTY: 239. When the governmen

43、t attempts to cut the economic pie into more equal slices, a. it is easier to cut the pie, and therefore the economy can produce a larger pie. b. the government can more easily allocate the pie to those most in need.c. the pie gets smaller, and there will be less pie for everyone.d. the economy will

44、 spend too much time cutting and loses the ability to produce enough pie for everyone.ANSWER: c. the pie gets smaller, and there will be less pie for everyone. TYPE: M SECTION: 2 DIFFICULTY: 340. When the government attempts to improve equity in an economy the result is often a. an increase in overa

45、ll output in the economy.b. additional government revenue since overall income will increase.c. an actual reduction in equity.d. reduced efficiency in the economy.ANSWER: d. reduced efficiency in the economy./TYPE: M SECTION: 2 DIFFICULTY: 2/41. When the government redistributes income from the rich

46、 to the poor, a. efficiency is improved, but equity is not.b. both rich people and poor people benefit directly./c. people work less and produce fewer goods and services.d. rich people consume fewer goods , but poor people consume more goods, resulting in no real change.ANSWER: c. people work less a

47、nd produce fewer goods and services. /TYPE: M SECTION: 1 DIFFICULTY: 2/42. In economics, the cost of something isa. the dollar amount of obtaining it./b. always measured in units of time given up to get it.c. what you give up to get it./d. usually higher than people think it will be. ANSWER: c. what

48、 you give up to get it. /TYPE: M SECTION: 1 DIFFICULTY: 143. What you give up to obtain an item is called youra. opportunity cost.b. explicit cost. /c. true cost. /、d. direct cost. ANSWER: a. opportunity cost. TYPE: M SECTION: 1 DIFFICULTY: 144. The opportunity cost of going to college isa. the tota

49、l spent on food, clothing, books, transportation, tuition, lodging, and other expenses. Z b. the value of the best opportunity a student gives up to attend college.c. zero for students who are fortunate enough to have all of their college expenses paid by someone else.d. zero, since a college educat

50、ion will allow a student to earn a larger income after graduation.ANSWER: b. the value of the best opportunity a student gives up to attend college.TYPE: M SECTION: 1 DIFFICULTY: 245. For most students, the largest single cost of a college education isa. the wages given up to attend school.b. tuitio

51、n, fees, and books.c. room and board.d. transportation, parking, and entertainment. ANSWER: a. the wages given up to attend school. TYPE: M SECTION: 1 DIFFICULTY: 246. The largest single cost of going to college is usually a. books. b. room and board.c. tuition.d. lost wages. ANSWER: d. lost wages.

52、TYPE: M SECTION: 1 DIFFICULTY: 147. The opportunity cost of an item isa. the number of hours needed to earn money to buy it.b. what you give up to get that item.c. usually less than the dollar value of the item.d. the dollar value of the item.ANSWER: b. what you give up to get that item. TYPE: M SEC

53、TION: 1 DIFFICULTY: 148. Mallory decides to spend 3 hours working overtime rather than watching a video with her friends. She earns $8 an hour. Her opportunity cost of working is a. the $24 she earns working. b. the $24 minus the enjoyment she would have received from watching the video.c. the enjoy

54、ment she would have received had she watched the video.d. nothing, since she would have received less than $24 of enjoyment from the video. ANSWER: c. the enjoyment she would have received had she watched the video. TYPE: M SECTION: 1 DIFFICULTY: 3/49. Russell spends an hour studying instead of play

55、ing tennis. The opportunity cost to him of studying isa. the improvement in his grades from studying for the hour.b. the difference between the improvement in his grades from studying minus the enjoyment of playing tennis.c. the enjoyment and exercise he would have received had he played tennis.d. z

56、ero. Since Russell chose to study rather than to play tennis, the value of studying must have been greater than the value of playing tennis./ANSWER: c. the enjoyment and exercise he would have received had he played tennis.TYPE: M SECTION: 1 DIFFICULTY: 2/、50. College-age athletes who drop out of co

57、llege to play professional sportsa. are not rational decision makers.b. are well aware that their opportunity cost of attending college is very high.c. are concerned more about present circumstances than their future.d. underestimate the value of a college education.ANSWER: b. are well aware that their opportunity cost of attending college is very high.TYPE: M SECTION: 1 DIFFICULTY: 251. People make decisions at the margin byJa. following tradition./ b. experience.c. calculating dollar costs.d. co