曼昆《经济学原理》微观第五版测试题库15.docx

曼昆《经济学原理》微观第五版测试题库15.docx

《曼昆《经济学原理》微观第五版测试题库15.docx》由会员分享，可在线阅读，更多相关《曼昆《经济学原理》微观第五版测试题库15.docx（150页珍藏版）》请在冰点文库上搜索。

曼昆《经济学原理》微观第五版测试题库15

Chapter15

Monopoly

TRUE/FALSE

1.Monopolistscanachieveanylevelofprofittheydesirebecausetheyhaveunlimitedmarketpower.

ANS:

FDIF:

2REF:

15-0NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Interpretive

2.Evenwithmarketpower,monopolistscannotachieveanylevelofprofittheydesirebecausetheywillselllowerquantitiesathigherprices.

ANS:

TDIF:

2REF:

15-0NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Interpretive

3.Onecharacteristicofamonopolymarketisthattheproductisvirtuallyidenticaltoproductsproducedbycompetingfirms.

ANS:

FDIF:

2REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Definitional

4.Thefundamentalcauseofmonopoliesisbarrierstoentry.

ANS:

TDIF:

2REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Interpretive

5.TheDeBeersDiamondcompanyadvertisesheavilytopromotethesaleofalldiamonds,notjustitsown.Thisisevidencethatithasamonopolypositiontosomedegree.

ANS:

TDIF:

1REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Interpretive

6.TheDeBeersDiamondcompanyisnotworriedaboutdifferentiatingitsproductfromallothergemstones.

ANS:

FDIF:

1REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Interpretive

7.Theamountofpowerthatamonopolyhasdependsonwhetherthereareclosesubstitutesforitsproduct.

ANS:

TDIF:

1REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Interpretive

8.IftheABCcompanyownstheexclusiverightstominelandinAfghanistanforLapisLazuli,ararestoneusedinjewelrywhichisfoundonlyinAfghanistan,thecompanybenefitsfromabarriertoentry.

ANS:

TDIF:

1REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

MonopolyMSC:

Applicative

9.Copyrightsandpatentsareexamplesofbarrierstoentrythataffordfirmsmonopolypricingpowers.

ANS:

TDIF:

2REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

PatentsMSC:

Interpretive

10.Ifthegovernmentdeemsanewlyinventeddrugtobetrulyoriginal,thepharmaceuticalcompanyisgiventheexclusiverighttomanufactureandsellthedrugfor50years.

ANS:

FDIF:

1REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

PatentsMSC:

Interpretive

11.Anaturalmonopolyhaseconomiesofscaleformostifnotallofitsrangeofoutput.

ANS:

TDIF:

2REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

NaturalmonopolyMSC:

Applicative

12.Decliningaveragetotalcostwithincreasedproductionisoneofthedefiningcharacteristicsofanaturalmonopoly.

ANS:

TDIF:

1REF:

15-1NAT:

Analytic

LOC:

MonopolyTOP:

NaturalmonopolyMSC:

Definitional

13.Amonopolistmaximizesprofitbyproducinganoutputlevelwheremarginalcostequalsprice.

ANS:

FDIF:

2REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

ProfitmaximizationMSC:

Interpretive

14.Amonopolistproducesanoutputlevelwheremarginalrevenueequalsmarginalcostandchargesapricewheremarginalcostequalsaveragetotalcost.

ANS:

FDIF:

2REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

ProfitmaximizationMSC:

Applicative

15.Averagerevenueforamonopolyisthetotalrevenuedividedbythequantityproduced.

ANS:

TDIF:

1REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

AveragerevenueMSC:

Definitional

16.Foramonopoly,marginalrevenueisoftengreaterthanthepricetheychargefortheirgood.

ANS:

FDIF:

1REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

MarginalrevenueMSC:

Interpretive

17.Likecompetitivefirms,monopolieschoosetoproduceaquantityinwhichmarginalrevenueequalsmarginalcost.

ANS:

TDIF:

2REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

ProfitmaximizationMSC:

Interpretive

18.Likecompetitivefirms,monopolieschargeapriceequaltomarginalcost.

ANS:

FDIF:

2REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

ProfitmaximizationMSC:

Interpretive

19.AmonopolistproduceswhereP>MC=MR.

ANS:

TDIF:

2REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

ProfitmaximizationMSC:

Interpretive

20.AmonopolistproduceswhereP=MC=MR.

ANS:

FDIF:

2REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

ProfitmaximizationMSC:

Interpretive

21.Amonopolistdoesnothaveasupplycurvebecausethefirm’sdecisionabouthowmuchtosupplyisimpossibletoseparatefromthedemandcurveitfaces.

ANS:

TDIF:

2REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

SupplycurveMSC:

Interpretive

22.Amonopolist’ssupplycurveisvertical.

ANS:

FDIF:

1REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

SupplycurveMSC:

Applicative

23.Amonopolist’ssupplycurveishorizontal.

ANS:

FDIF:

1REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

SupplycurveMSC:

Applicative

24.Duringthelifeofadrugpatent,themonopolypharmaceuticalfirmmaximizesprofitbyproducingthequantityatwhichmarginalrevenueequalsmarginalcost.

ANS:

TDIF:

1REF:

15-2NAT:

Analytic

LOC:

MonopolyTOP:

ProfitmaximizationMSC:

Interpretive

25.Thesociallyefficientquantityisfoundwherethedemandcurveintersectsthemarginalcostcurve.

ANS:

TDIF:

2REF:

15-3NAT:

Analytic

LOC:

MonopolyTOP:

DeadweightlossMSC:

Interpretive

26.Thedeadweightlossforamonopolistequalsone-halfofitsprofitsforanygivenlevelofoutput.

ANS:

FDIF:

2REF:

15-3NAT:

Analytic

LOC:

MonopolyTOP:

DeadweightlossMSC:

Interpretive

27.Amonopolycreatesadeadweightlosstosocietybecauseitearnsbothshort-runandlong-runpositiveeconomicprofits.

ANS:

FDIF:

2REF:

15-3NAT:

Analytic

LOC:

MonopolyTOP:

DeadweightlossMSC:

Interpretive

28.Amonopolycreatesadeadweightlosstosocietybecauseitproduceslessoutputthanthesociallyefficientlevel.

ANS:

TDIF:

2REF:

15-3NAT:

Analytic

LOC:

MonopolyTOP:

DeadweightlossMSC:

Interpretive

29.Supposeaprofit-maximizingmonopolistfacesaconstantmarginalcostof$10,producesanoutputlevelof100units,andchargesapriceof$50.Thesociallyefficientlevelofoutputis200units.Assumethatthedemandcurveandmarginalrevenuecurvearethetypicaldownward-slopingstraightlines.Themonopolydeadweightlossequals$4,000.

ANS:

FDIF:

3REF:

15-3NAT:

Analytic

LOC:

MonopolyTOP:

DeadweightlossMSC:

Analytical

30.Supposeaprofit-maximizingmonopolistfacesaconstantmarginalcostof$10,producesanoutputlevelof100units,andchargesapriceof$50.Thesociallyefficientlevelofoutputis200units.Assumethatthedemandcurveandmarginalrevenuecurvearethetypicaldownward-slopingstraightlines.Themonopolydeadweightlossequals$2,000.

ANS:

TDIF:

3REF:

15-3NAT:

Analytic

LOC:

MonopolyTOP:

DeadweightlossMSC:

Analytical

31.Supposeaprofit-maximizingmonopolistfacesaconstantmarginalcostof$20,producesanoutputlevelof100units,andchargesapriceof$50.Thesociallyefficientlevelofoutputis200units.Assumethatthedemandcurveandmarginalrevenuecurvearethetypicaldownward-slopingstraightlines.Themonopolydeadweightlossequals$1,500.

ANS:

TDIF:

3REF:

15-3NAT:

Analytic

LOC:

MonopolyTOP:

DeadweightlossMSC:

Analytical

32.Inorderforafirmtomaximizeprofitsthroughpricediscrimination,thefirmmusthavesomemarketpowerandbeabletopreventarbitrage.

ANS:

TDIF:

2REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

33.Pricediscriminationisprohibitedbyantitrustlaws.

ANS:

FDIF:

2REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

34.Amonopolistearnshigherprofitsbychargingonepricethanbypracticingpricediscrimination.

ANS:

FDIF:

3REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

35.Amonopolistthatcanpracticeperfectpricediscriminationwillnotimposeadeadweightlossonsociety.

ANS:

TDIF:

3REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PerfectpricediscriminationMSC:

Interpretive

36.Bysellinghardcoverbookstodie-hardfansandpaperbackbookstolessenthusiasticreaders,thepublisherisabletopricediscriminateandraiseitsprofits.

ANS:

TDIF:

1REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

37.Movietheatreschargedifferentpricestodifferentgroupsofpeoplebasedonthedifferingmarginalcoststhatexistfromgrouptogroup.

ANS:

FDIF:

1REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

38.AirlinesoftenseparatetheircustomersintobusinesstravelersandpersonaltravelersbygivingadiscounttothosetravelerswhostayoveraSaturdaynight.

ANS:

TDIF:

1REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

39.Universityfinancialaidcanbeviewedasatypeofpricediscrimination.

ANS:

TDIF:

1REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

40.Byofferinglowerpricestocustomerswhobuyalargequantity,amonopolyispricediscriminating.

ANS:

TDIF:

1REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

PricediscriminationMSC:

Interpretive

41.Goodsthatdonothaveclosesubstituteshavedownward-slopingdemandcurves.

ANS:

TDIF:

1REF:

15-4NAT:

Analytic

LOC:

MonopolyTOP:

DemandcurveMSC:

Interpretive

42.Ifthegovernmentregulatesthepriceanaturalmonopolistcanchargetobeequaltothefirm’saveragetotalcost,thefirmhasnoincentivetoreducecosts.

ANS:

TDIF:

2REF:

15-5NAT:

Analytic

LOC:

MonopolyTOP:

RegulationMSC:

Interpretive

43.Ifthegovernmentregulatesthepriceanaturalmonopolistcanchargetobeequaltothefirm’smarginalcost,thegovernmentwilllikelyneedtosubsidizethefirm.

ANS:

TDIF:

2REF:

15-5NAT:

Analytic

LOC:

MonopolyTOP:

RegulationMSC:

Interpretive

44.AntitrustlawsgivetheJusticeDepartmenttheauthoritytochallengepotentialmergersbetweencompaniesinanefforttosafeguardsocietyfrommonopolypower.

ANS:

TDIF:

1REF:

15-5NAT:

Analytic

LOC:

MonopolyTOP:

AntitrustMSC:

Interpretive

45.Som