Chapter04曼昆经济学

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1、Chapter 4/The Market Forces of Supply and Demand F 117Chapter 4The Market Forces of Supply and DemandMULTIPLE CHOICE1.The forces that make market economies work area.price and quantity.b.demand and supply.c.the Senate and House of Representatives.d.the Constitution and the Bill of Rights.ANSWER: b.d

2、emand and supply.TYPE: M SECTION: 1 DIFFICULTY: 12.Which of the following are the words most commonly used by economists?a.surplus and shortageb.scarcity and human wantsc.supply and demandd.price and quantityANSWER: c.supply and demandTYPE: M SECTION: 1 DIFFICULTY: 13.One result of a drought in the

3、midwest could be an increase ina.farm machinery prices.b.the price of diesel fuel used in farming.c.migrant farm workers wages.d.the price of frosted shredded wheat.ANSWER: d.the price of frosted shredded wheat.TYPE: M SECTION: 1 DIFFICULTY: 24.In a free market, who determines how much of a good wil

4、l be sold and the price at which it is sold?a.suppliersb.demandersc.the governmentd.suppliers and demanders togetherANSWER: d.suppliers and demanders togetherTYPE: M SECTION: 1 DIFFICULTY: 15.A market is aa.group of demanders and suppliers of a particular good or service.b.group of people with commo

5、n desires.c.place where only sellers meet.d.place where only buyers come together.ANSWER: a.group of demanders and suppliers of a particular good or service.TYPE: M SECTION: 1 DIFFICULTY: 16.The behavior of people as they interact with one another in markets is referred to asa.economics.b.interactio

6、n.c.demand and supply.d.social psychology.ANSWER: c.demand and supply.TYPE: M SECTION: 1 DIFFICULTY: 17.Which of the following is true?a.Buyers determine supply and sellers determine demand.b.Buyers determine demand and sellers determine supply.c.Buyers and sellers as one group determine supply.d.Bu

7、yers and sellers as one group determine demand.ANSWER: b.Buyers determine demand and sellers determine supply.TYPE: M SECTION: 1 DIFFICULTY: 28.For each good produced in a market economy, demand and supply determinea.the price of the good, but not the quantity.b.the quantity of the good, but not the

8、 price.c.both price and quantity.d.neither price nor quantity is determined by demand and supply, because prices are ultimately set by producers.ANSWER: c.both price and quantity.TYPE: M SECTION: 1 DIFFICULTY: 29.In a market economy,a.demand is determined by supply.b.supply is determined by demand.c

9、.price is determined by quantity.d.quantity is determined by price.e.Either a or b are correct, depending on the product.ANSWER: d.quantity is determined by price.TYPE: M SECTION: 1 DIFFICULTY: 210.Who is it that ultimately determines the demand for a product or service?a.those who buy the product o

10、r serviceb.the governmentc.the producers who create the product or serviced.those who supply the raw materials used in the production of the good or serviceANSWER: a.those who buy the product or serviceTYPE: M SECTION: 1 DIFFICULTY: 211.An economys scarce resources are allocated bya.economic planner

11、s.b.producers who use resources.c.prices for resources.d.government regulation of scarce resources.ANSWER: c.prices for resources.TYPE: M SECTION: 1 DIFFICULTY: 212.A competitive market is one in whicha.there is only one seller of the product.b.each seller of the product is free to set the price of

12、his product.c.each seller attempts to compete with other sellers, causing fewer sellers in the market.d.there are so many buyers and many sellers that each has a negligible impact on price.ANSWER: d.there are so many buyers and many sellers so that each has a negligible impact on price.TYPE: M SECTI

13、ON: 1 DIFFICULTY: 213.In a competitive market,a.only a few sellers sell the same product.b.each seller has limited control over the price of his product.c.if one buyer chooses to purchase a large quantity of the product, the price will rise.d.if one seller withholds his product from the market, pric

14、es will rise.ANSWER: b.each seller has limited control over the price of his product.TYPE: M SECTION: 1 DIFFICULTY: 214.In a competitive market, each seller has limited control over the price of his product becausea.other sellers are offering similar products.b.in competitive markets, buyers have mo

15、re influence over price than sellers.c.the products sold in competitive markets are generally in abundant supply.d.sellers in competitive markets prefer to meet and set a price that each will profit from.ANSWER: a.other sellers are offering similar products.TYPE: M SECTION: 1 DIFFICULTY: 215.For a c

16、ompetitive market, which of the following is true?a.A seller who charges more than the going price can increase her profit.b.If a seller charges more than the going price, buyers will go elsewhere.c.A seller often charges less than the going price to increase sales and profit.d.A buyer can influence

17、 the price of the product, but only when purchasing from several sellers.ANSWER: b.If a seller charges more than the going price, buyers will go elsewhere.TYPE: M SECTION: 1 DIFFICULTY: 216.Which of the following is NOT a characteristic of a perfectly competitive market?a.similar productsb.numerous

18、sellersc.market powerd.numerous buyersANSWER: c.market powerTYPE: M SECTION: 1 DIFFICULTY: 117.Price takers refer to buyers and sellers ina.a perfectly competitive market.b.a monopolisticly competitive market.c.an oligopolistic market.d.a monopolistic market.ANSWER: a.a perfectly competitive market.

19、TYPE: M SECTION: 1 DIFFICULTY: 218.Buyers and sellers who have no influence on market price are referred to asa.price makers.b.market pawns.c.price takers.d.powerless.ANSWER: c.price takers.TYPE: M SECTION: 1 DIFFICULTY: 119.Price takers have no influence over market prices because there area.numero

20、us buyers.b.numerous sellers.c.distinctive products.d.Both a and b are correct.ANSWER: d.Both a and b are correct.TYPE: M SECTION: 1 DIFFICULTY: 120.An example of a perfectly competitive market would be thea.cable TV market.b.soybean market.c.new car market.d.blue jean market.ANSWER: b.soybean marke

21、t.TYPE: M SECTION: 1 DIFFICULTY: 221.Generally, the market for ice cream would be considereda.a monopolistic market.b.a competitive market.c.more organized than an auction.d.a market where individual sellers have significant pricing power.ANSWER: b.a competitive market.TYPE: M SECTION: 1 DIFFICULTY:

22、 122.If a seller in a competitive market chooses to charge more than the market price, thena.buyers would tend to buy more from this seller.b.the owners of the raw materials used in production would raise the prices for the raw materials.c.other sellers would also raise their price.d.buyers will ten

23、d to make purchases from other sellers.ANSWER: d.buyers will tend to make purchases from other sellers.TYPE: M SECTION 1 DIFFICULTY: 223.If buyers and/or sellers are price takers, then individuallya.they have no influence on market price.b.they have ultimate control over market price.c.buyers will b

24、e able to find prices lower than those determined in the market.d.they can somewhat influence the market price.ANSWER: a.they have no influence on market price.TYPE: M SECTION 1 DIFFICULTY: 224.There are thousands of wheat farmers who produce and sell wheat and there are millions of consumers who us

25、e wheat and wheat products. The market for wheat would be considereda.oligopolistic.b.monopolistic.c.perfectly competitive.d.monopolistically competitive.ANSWER: c.perfectly competitive.TYPE: M SECTION: 1 DIFFICULTY: 125.As a seller, you would be considered part of a perfectly competitive market ifa

26、.your actions are quickly followed by competitors.b.your actions essentially have no effect on the market price.c.your pricing has no impact on the amount you can sell.d.increases in the price of your product have an impact on the market price.ANSWER: b.your actions essentially have no effect on the

27、 market price.TYPE: M SECTION: 1 DIFFICULTY: 226.Rank the 4 market types from most to least number of firms.a.Monopoly, perfect competitive, monopolistic competitive, oligopoly.b.Perfect competitive, oligopoly, monopolistic competitive, monopoly.c.Monopoly, oligopoly, monopolistic competitive, perfe

28、ct competitive.d.Perfect competitive, monopolistic competitive, oligopoly, monopoly.ANSWER: d.Perfect competitive, monopolistic competitive, oligopoly, monopoly.TYPE: M SECTION: 1 DIFFICULTY: 227.A monopoly is a marketa.with one seller.b.with few sellers.c.with one buyer.d.where the government sets

29、the price.ANSWER: a.with one seller.TYPE: M SECTION: 1 DIFFICULTY: 128.Which of the following would be an example of a monopoly?a.a bakery in a large cityb.local cement companiesc.a local cable television companyd.a potato farmerANSWER: c.a local cable television companyTYPE: M SECTION: 1 DIFFICULTY

30、: 129.A market with only a few sellers would bea.a monopoly.b.an oligopoly.c.a competitive market.d.a monopolistically competitive market.ANSWER: b.an oligopoly.TYPE: M SECTION: 1 DIFFICULTY: 130.Which of the following would be an example of an oligopolistic market?a.the air travel industryb.the dom

31、estic wheat marketc.the software industryd.electrical power for residential consumersANSWER: a.the air travel industryTYPE: M SECTION: 1 DIFFICULTY: 131.A market with many sellers offering similar but slightly different products is calleda.a monopoly.b.oligopolistic.c.monopolistically competitive.d.

32、perfectly competitive.ANSWER: c.monopolistically competitive.TYPE: M SECTION: 1 DIFFICULTY: 132.One characteristic of a monopolistically competitive market is that therea.is a single seller of the product.b.are a few sellers that do not always compete aggressively.c.are many buyers and sellers of an

33、 identical product.d.is a large number of sellers all offering similar but different products.ANSWER: d.a large number of sellers all offering similar but different products.TYPE: M SECTION: 1 DIFFICULTY: 133.An example of a monopolistically competitive market would be thea.farming industry.b.cable

34、television industry.c.software industry.d.car repair industry.ANSWER: c.software industry.TYPE: M SECTION: 1 DIFFICULTY: 134.If a seller is supplying a product that is slightly different from that of many close competitors and is able to charge a different price than competitors, then the sellera.is

35、 a monopolist.b.is participating in a monopolistically competitive market.c.will eventually have to decrease the price.d.is producing a homogeneous product.ANSWER: b.is participating in a monopolistically competitive market.TYPE: M SECTION: 1 DIFFICULTY: 235.The behavior of buyers is represented bya

36、.demand.b.supply.c.a petition.ANSWER: a.demand.TYPE: M SECTION: 2 DIFFICULTY: 136.Which of the following would NOT be a determinant of demand?a.the price of related goodsb.incomec.tastesd.the prices of the inputs used to produce the goodANSWER: d.the prices of the inputs used to produce the goodTYPE

37、: M SECTION: 2 DIFFICULTY: 137.Each of the following are determinants of demand EXCEPTa.tastes.b.technology.c.income.d.the price of related goods.ANSWER: b.technology.TYPE: M SECTION: 2 DIFFICULTY: 138.The amount of the good buyers are willing and able to purchase is thea.demand.b.quantity supplied.

38、c.quantity demanded.d.supply.ANSWER: c.quantity demanded.TYPE: M SECTION: 2 DIFFICULTY: 239.If a good is “normal,” then an increase in income will result ina.no change in the demand for the good.b.an increase in the demand for the good.c.a decrease in the demand for the good.d.a lower market price.A

39、NSWER: b.an increase in the demand for the good.TYPE: M SECTION: 2 DIFFICULTY: 240.If Francis receives a decrease in his pay, we would expecta.Franciss demand for each good he purchases to remain unchanged.b.Franciss demand for normal goods to increase.c.Franciss demand for luxury goods to increase.

40、d.Franciss demand for inferior goods to increase.ANSWER: d.Franciss demand for inferior goods to increase.TYPE: M SECTION: 2 DIFFICULTY: 241.A good is considered either a normal good or an inferior good based ona.the quality of the good.b.the price of the good.c.personal preference toward the good.d

41、.the amount of a persons income.ANSWER: c.personal preference toward the good.TYPE: M SECTION: 2 DIFFICULTY: 242.You lose your job and as a result you buy fewer mystery books. This shows that you consider mystery books to be a/ana.normal good.b.inferior good.c.luxury plementary good.ANSWER: a.normal

42、 good.TYPE: M SECTION: 2 DIFFICULTY: 243.Currently you purchase 6 packages of hot dogs a month. You will be graduating in December and will start your new job January 2nd. You have no plans to purchase hot dogs in January. For you, hot dogs area.a “college-only” good.b.a normal good.c.an inferior go

43、od.d.a consumer good.ANSWER: c.an inferior good.TYPE: M SECTION: 2 DIFFICULTY: 244.An example of an inferior good might bea.neckties.b.Ramen noodles.c.cloth napkins.d.cut flowers.ANSWER: b.Ramen noodles.TYPE: M SECTION: 2 DIFFICULTY: 145.If the price of a substitute to good X increases, then thea.de

44、mand for good X will decrease.b.market price of good X will decrease.c.demand for good X will increase.d.quantity demanded for good X will increase.ANSWER: c.demand for good X will increase.TYPE: M SECTION: 2 DIFFICULTY: 246.Suppose that a decrease in the price of X results in less of good Y sold. T

45、his would mean that X and Y plementary goods.b.normal goods.c.inferior goods.d.substitute goods.ANSWER: d.substitute goods.TYPE: M SECTION: 2 DIFFICULTY: 347.Two goods are substitutes if a decrease in the price of one gooda.increases the demand for the other good.b.reduces the demand for the other g

46、ood.c.reduces the quantity demanded of the other good.d.increases the quantity demanded of the other good.ANSWER: b.reduces the demand for the other good.TYPE: M SECTION: 2 DIFFICULTY: 348.Two goods are complements if a decrease in the price of one gooda.increases the quantity demanded of the other

47、good.b.reduces the demand for the other good.c.reduces the quantity demanded of the other good.d.raises the demand for the other good.ANSWER: d.raises the demand for the other good.TYPE: M SECTION: 2 DIFFICULTY: 349.An example of complementary goods would bea.hamburgers and hot dogs.b.lawnmowers and

48、 automobiles.c.hamburgers and fries.d.Coke and Pepsi.ANSWER: c.hamburgers and fries.TYPE: M SECTION: 2 DIFFICULTY: 250.If goods A and B are complements, an increase in the price of A will result ina.more of good A sold.b.more of good B sold.c.less of good B sold.d.no difference in the quantity sold

49、of either good.ANSWER: c.less of good B sold.TYPE: M SECTION: 2 DIFFICULTY: 251.An example of substitute goods would bea.butter and margarine.b.tennis balls and tennis rackets.c.televisions and tractors.d.peanut butter and jelly.ANSWER: a.butter and margarine.TYPE: M SECTION: 2 DIFFICULTY: 252.For e

50、conomists, peoples tastes and demand area.beyond the realm of economics.b.negatively related.c.not related.d.positively related.ANSWER: d.positively related.TYPE: M SECTION: 2 DIFFICULTY: 253.When it comes to peoples tastes, economists generally believe thata.tastes are based on forces beyond the re

51、alm of economics.b.tastes are based on historical and psychological forces.c.tastes can only be studied through well-constructed, real-life models.d.since tastes do not directly affect demand, there is little need to explain peoples tastes.ANSWER: b.tastes are based on historical and psychological f

52、orces.TYPE: M SECTION: 2 DIFFICULTY: 254.Economists in generala.do not try to explain peoples tastes, but do try to explain what happens when tastes change.b.must be able to explain peoples tastes to explain what happens when tastes change.c.do not believe that peoples tastes determine demand and th

53、erefore ignore the subject of tastes.d.believe that tastes and demand move in opposite directions.ANSWER: a.do not try to explain peoples tastes, but do try to explain what happens when tastes change.TYPE: M SECTION: 2 DIFFICULTY: 255.A persons expectations about the futurea.cannot affect demand bec

54、ause expectations change.b.can affect future demand.c.can affect current demand.d.cannot shift a demand curve.ANSWER: c.can affect current demand.TYPE: M SECTION: 2 DIFFICULTY: 256.You love peanut butter. You hear on the news that 50 % of the peanut crop in the South has been wiped out, which will c

55、ause the price to double by the end of the year. As a result,a.your demand for peanut butter will increase by the end of the year.b.your demand for peanut butter increases today.c.your demand for peanut butter falls as you look for a substitute good.d.you decide to give up peanut butter completely.A

56、NSWER: b.your demand for peanut butter increases today.TYPE: M SECTION: 2 DIFFICULTY: 257.You have decided to purchase a new Mustang convertible. A friend tells you that Ford will be offering a $3000 rebate on Mustangs starting next month. As a result of this information your demanda.could shift eit

57、her right or left.b.for Mustangs shifts right today.c.curve will be unaffected.d.for Mustangs shifts left today.ANSWER: d.for Mustangs shifts left today.TYPE: M SECTION: 2 DIFFICULTY: 258.Suppose you like banana cream pie made with vanilla pudding. Assuming all other things are constant, you notice

58、that the price of bananas is higher. How would your demand for vanilla pudding be affected by this?a.It would decrease.b.It would increase.c.It would be unaffected.d.There is insufficient information given to answer the question.ANSWER: a.It would decrease.TYPE: M SECTION: 2 DIFFICULTY: 259.Alyssa r

59、ents 5 movies per month when the price is $3.00 each and 7 movies per month when the price is $2.50. Alyssa has demonstrated thea.law of price.b.law of supply.c.actions of an irrational consumer.d.law of demand.ANSWER: d.law of demand.TYPE: M SECTION: 2 DIFFICULTY: 260.According to the law of demand

60、 price and quantitya.supplied are inversely related.b.demanded are inversely related.c.demanded are positively related.d.supplied are positively related.ANSWER: b.demanded are inversely related.TYPE: M SECTION: 2 DIFFICULTY: 261.The law of demand says that when pricea.rises, quantity demanded falls.

61、b.rises, quantity demanded rises also.c.falls, quantity supplied rises.d.falls, quantity supplied falls also.ANSWER: a.rises, quantity demanded falls.TYPE: M SECTION: 2 DIFFICULTY: 262.Which of the following demonstrates the law of demand?a.Jon buys more pretzels at $1.50 each since he got a $1 raise at work.b.Melissa buys fewer muffins at $0.75 each than at $1 each.c.Dave buys more donuts at $0.25 each than at $0.50 each.d.Kendra buys fewer Snickers at $0.