MICROECONOMICS1990微观经济试题Word格式文档下载.docx
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MICROECONOMICS1990微观经济试题Word格式文档下载.docx
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A.Anincreaseinpopulationandadecreaseinthepriceofaninput
B.Anincreaseinpopulationandadecreaseinthenumberoffirmsproducingtheproduct
C.Anincreaseinaverageincomeandanimprovementinproductiontechnology
D.Adecreaseinthepriceofasubstituteproductandanimprovementinproductiontechnology
E.Adecreaseinthepriceofasubstituteproductandanincreaseinthepriceofaninput
3.Themarketequilibriumpriceofhomeheatingoilis$1.50pergallon.Ifapriceceilingof$1.00pergallonisimposed,whichofthefollowingwilloccurinthemarketforhomeheatingoil?
I.Quantitysuppliedwillincrease.
II.Quantitydemandedwillincrease.
III.Quantitysuppliedwilldecrease.
IV.Quantitydemandedwilldecrease.
A.Ⅱonly
B.ⅠandⅡonly
C.ⅠandⅣonly
D.ⅡandⅢonly
E.ⅢandⅣonly
4.Supposethatafamilybuysallitsclothingfromadiscountstoreandtreatstheseitemsasinferiorgoods.Undersuchcircumstances,thisfamily’sconsumptionofdiscountstoreclothingwillnecessarily
A.increasewhenafamilymemberwinsthestatelottery
B.increasewhenafamilymembergetsaraiseinpayatwork
C.remainunchangedwhenitsincomerisesorfallsduetoeventsbeyondthefamily’scontrol
D.decreasewhenafamilymemberbecomesunemployed
E.decreasewhenafamilymemberexperiencesanincreaseinincome
5.Whichofthefollowingdescribeswhatwillhappentomarketpriceandquantityiffirmsinaperfectlycompetitivemarketformacartelandactasaprofit-maximizingmonopoly?
PriceQuantity
A.DecreaseDecrease
B.DecreaseIncrease
C.IncreaseIncrease
D.IncreaseDecrease
E.IncreaseNochange
6.QuantityProducedTotalCost
0$5
117
228
341
461
591
Barney’sBaitCompanycansellalltheluresitproducesatthemarketpriceof$14.Onthebasisofthecostinformationinthetableabove,howmanyluresshouldthebaitcompanymake?
A.1
B.2
C.3
D.4
E.5
7.Anaturalmonopolyoccursinanindustryif
A.economiesofscaleallowatmostonefirmofefficientsizetoexistinthatmarket
B.asinglefirmhascontroloverascarceandessentialresource
C.asinglefirmproducesinputsforusebyotherfirms
D.asinglefirmhasthetechnologytoproducetheproductsoldinthatmarket
E.above-normalprofitspersistintheindustry
8.Thetypicalfirminamonopolisticallycompetitiveindustryearnszeroprofitinlong-runequilibriumbecause
A.advertisingcostsmakemonopolisticcompetitionahigh-costmarketstructureratherthanalow-costmarketstructure
B.thefirmsintheindustrydonotoperateattheminimumpointontheirlong-runaveragecostcurves
C.therearenorestrictionsonenteringorexitingfromtheindustry
D.thefirmsintheindustryareunabletoengageinproductdifferentiation
E.thereareclosesubstitutesforeachfirm’sproduct
9.Whichofthefollowinginevitablycausesashiftinthemarketdemandforworkerswithacertainskill?
A.Anincreaseinthedemandforgoodsproducedbytheseworkers
B.Adecreaseintaxratesontheincomeoftheseworkers
C.Anincreaseintheequilibriumwagesreceivedbytheseworkers
D.Anincreaseinthesupplyoftheseworkers
E.Thecreationofafederallysubsidizedprogramtotrainnewworkers
10.Ifhiringanadditionalworkerwouldincreaseafirm’stotalcostbylessthanitwouldincreaseitstotalrevenue,thefirmshould
A.nothiretheworker
B.hiretheworker
C.hiretheworkeronlyifanotherworkerleavesorishired
D.hiretheworkeronlyiftheworkercanraisethefirm’sproductivity
E.reducethenumberofworkersemployedbythefirm
11.Ifafirmwantstoproduceagivenamountofoutputatthelowestpossiblecost,itshoulduseeachresourceinsuchamannerthat
A.itusesmoreofthelessexpensiveresource
B.itusesmoreoftheresourcewiththehighestmarginalproduct
C.eachresourcehasjustreachedthepointofdiminishingmarginalreturns
D.themarginalproductsofeachresourceareequal
E.themarginalproductsperdollarspentoneachresourceareequal
12.InwhichofthefollowingwaysdoestheUnitedStatesgovernmentcurrentlyinterveneintheworkingofthemarketeconomy?
I.Itproducescertaingoodsandservices.
II.Itregulatedtheprivatesectortoachieveamoreefficientallocationofresources.
III.Itredistributesincomethroughtaxationandpublicexpenditures.
B.Ⅱonly
C.Ⅲonly
E.Ⅰ,Ⅱ,andⅢ
13.Ifitwerepossibletoincreasetheoutputofmilitarygoodsandsimultaneouslytoincreasetheoutputoftheprivatesectorofaneconomy,whichofthefollowingstatementsabouttheeconomyanditscurrentpositionrelativetoitsproductionpossibilitiescurvewouldbetrue?
A.Theeconomyisinefficientandinsidethecurve.
B.Theeconomyisinefficientandonthecurve.
C.Theeconomyisefficientandonthecurve.
D.Theeconomyisefficientandinsidethecurve.
E.Theeconomyisefficientandoutsidethecurve.
14.Aneffectivepricefloorintroducedinthemarketforricewillresultin
A.adecreaseinthepriceofriceandanincreaseinthequantityofricesold
B.adecreaseinthepriceofriceandadecreaseinthequantityofricesold
C.adecreaseinthepriceofriceandanexcessdemandforrice
D.anincreaseinthepriceofriceandanexcesssupplyofrice
E.anincreaseinthepriceofriceandanexcessdemandforrice
15.Marginalrevenueisthechangeinrevenuethatresultsfromaone-unitincreaseinthe
A.variableinput
B.variableinputprice
C.outputlevel
D.outputprice
E.fixedcost
16.Aleftwardshiftinthesupplycurveofcornwouldresultfrom
A.adecreaseinthepriceofcorn
B.adecreaseinthepriceoffarmmachinery
C.anincreaseinthedemandforcornbread
D.anincreaseinthelaborcostsofproducingcorn
E.anincreaseinconsumers’incomes
17.Thediagramabovedepictscostsandrevenuecurvesforafirm.Whatarethefirm’sprofit-maximizingoutputandprice?
OutputPrice
A.0S0D
B.0R0E
C.0Q0F
D.0Q0B
E.0P0G
18.Thegovernmentisconsideringimposinga3percenttaxoneithergoodAorgoodB.Inordertogeneratethelargestrevenue,thetaxshouldbeimposedonthegoodforwhich
A.demandisperfectlyelastic
B.demandisperfectlyinelastic
C.demandisunitelastic
D.supplyisperfectlyelastic
E.supplyisunitelastic
19.Whichofthefollowingstatementshastobetrueinaperfectlycompetitivemarket?
A.Afirm’smarginalrevenueequalsprice.
B.Afirm’saveragetotalcostisabovepriceinthelongrun.
C.Afirm’saveragefixedcostrisesintheshortrun.
D.Afirm’saveragevariablecostishigherthanpriceinthelongrun.
E.Largefirmshavelowercoststhansmallfirms.
20.Assumethatanelectricpowercompanyownstwoplantsandthat,onaparticularday,10,000kilowattsofelectricityaredemandedbythepublic.Inordertominimizethetotalcostofprovidingthe10,000kilowatts,thecompanyshouldallocateproductionsothat
A.marginalcostsarethesameforbothplants
B.averagetotalcostsarethesameforbothplants
C.totalvariablecostsarethesameforbothplants
D.thesumoftotalvariablecostandtotalfixedcostisthesameforbothplants
E.onlytheplantwiththeloweraveragecostisusedtoproducethe10,000kilowattsofelectricity
21.Supposethattheconsumptionofacertainproductresultsinbenefitstoothersbesidestheconsumersoftheproduct.Whichofthefollowingstatementsismostlikelytobetrue?
A.Thedemandfortheproductispriceinelastic.
B.Aperfectlycompetitiveindustrywillnotproducetheoptimalquantityoftheproduct.
C.Aperfectlycompetitiveindustrywillnotproducetheproduct.
D.Optimalityrequiresthatconsumersofthisproductbetaxed.
E.Producersofthisproductearnaneconomicprofit.
Questions22-23arebasedonthetablebelow,whichliststhetotaloutputofworkersinGreta’sJacketShop.
NumberofWorkers
TotalOutput
2
12
3
22
4
28
5
32
22.Whichofthefollowingisthemarginalproductofthefourthworker?
A.4
B.5
C.6
D.28
E.112
23.Gretaalreadyemploys3workers.Ifthepriceofjacketsis$5andthewagerateis$25,sheshould
A.gooutofbusinessaltogether
B.layoffthethirdworker
C.keepthethirdworkerbutnotemploymoreworkers
D.hiretwomoreworkers
E.hireonemoreworkers
24.Acitycouncilisdecidingwhatpricetosetforatriponthecity’scommutertrainline.Ifthecouncilwantstomaximizeprofits,itwillsetapricesothat
A.priceequalsmarginalcost
B.priceequalsaveragecost
C.priceequalsmarginalrevenue
D.marginalrevenueequalsmarginalcost
E.marginalrevenueequalsaveragetotalcost
25.Thedemandcurveforcarsisdownwardslopingbecauseanincreaseinthepriceofcarsleadsto
A.theincreaseduseofothermodesoftransportation
B.afallintheexpectedfuturepriceofcars
C.adecreaseinthenumberofcarsavailableforpurchase
D
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