【MOOC】经济学-电子科技大学 中国大学慕课MOOC答案

【MOOC】经济学-电子科技大学中国大学慕课MOOC答案随堂测验1、【单选题】Whenthegovernmentattemptstoimproveequalityinaneconomytheresultisoften本题答案：【areductioninefficiency.】2、【单选题】Theopportunitycostofanitemis本题答案：【whatyougiveuptogetthatitem.】3、【单选题】Theshort-runtradeoffbetweeninflationandunemploymentimpliesthat,intheshortrun,本题答案：【adecreaseinthegrowthrateofthequantityofmoneywillbeaccompaniedbyanincreaseintheunemploymentrate.】4、【判断题】Withcarefulplanning,wecanusuallygetsomethingthatwelikewithouthavingtogiveupsomethingelsethatwelike.本题答案：【错误】5、【判断题】Equalityreferstohowthepieisdivided,andefficiencyreferstothesizeoftheeconomicpie.本题答案：【正确】随堂测验1、【单选题】Whichisthemostaccuratestatementabouttrade本题答案：【Tradecanmakeeverynationbetteroff.】2、【判断题】Tradeallowseachpersontospecializeintheactivitiesheorshedoesbest,thusincreasingeachindividual'sproductivity.本题答案：【正确】单元测验1：第一篇（经济学导论）1、【单选题】Microeconomicsisoftencalled本题答案：【pricetheory.】2、【单选题】Societyfacestrade-offsbecauseof本题答案：【scarcity.】3、【单选题】Thepurposeofmakingassumptionsineconomicmodelbuildingisto本题答案：【simplifythemodelwhilekeepingimportantdetails.】4、【单选题】Whichofthefollowingistrue?本题答案：【Efficiencyreferstothesizeoftheeconomicpie;equalityreferstohowthepieisdivided.】5、【单选题】Theopportunitycostofanitemis本题答案：【whatyougiveuptogetthatitem.】6、【单选题】Rationalpeoplemakedecisionsatthemarginby本题答案：【comparingmarginalcostsandmarginalbenefits.】7、【单选题】Peoplearelikelytorespondtoapolicychange本题答案：【ifthepolicychangeseitherthecostsorbenefitsoftheirbehavior.】8、【单选题】Theinvisiblehandworkstopromotegeneralwell-beingintheeconomyprimarilythrough本题答案：【people’spursuitofself-interest.】9、【单选题】Causesofmarketfailureinclude本题答案：【externalitiesandmarketpower.】10、【单选题】Whatisthemostimportantfactorthatexplainsdifferencesinlivingstandardsacrosscountries?本题答案：【productivity】11、【单选题】Acircular-flowdiagramisamodelthat本题答案：【helpstoexplainhowtheeconomyisorganizedandhowparticipantsintheeconomyinteractwithoneanother.】12、【单选题】Productionisefficientiftheeconomyisproducingatapoint本题答案：【ontheproductionpossibilitiesfrontier.】13、【单选题】Theopportunitycostofobtainingmoreofonegoodisshownontheproductionpossibilitiesfrontierasthe本题答案：【amountoftheothergoodthatmustbegivenup.】14、【单选题】Normativestatementsare本题答案：【claimsabouthowtheworldshouldbe.】15、【单选题】Whencantwocountriesgainfromtradingtwogoods?本题答案：【Twocountriescouldgainfromtradingtwogoodsunderalloftheaboveconditions.】16、【单选题】Aneconomy’sproductionpossibilitiesfrontierisalsoitsconsumptionpossibilitiesfrontier本题答案：【whentheeconomyisself-sufficient.】17、【单选题】Absoluteadvantageisfoundbycomparingdifferentproducers’本题答案：【inputrequirementsperunitofoutput.】18、【单选题】SupposeJimandTomcanbothproducetwogoods:baseballbatsandhockeysticks.Whichofthefollowingisnotpossible?本题答案：【Jimhasacomparativeadvantageintheproductionofbaseballbatsandintheproductionofhockeysticks.】19、【单选题】SupposeJimandTomcanbothproducebaseballbats.IfJim'sopportunitycostofproducingbaseballbatsislowerthanTom'sopportunitycostofproducingbaseballbats,then本题答案：【Jimhasacomparativeadvantageintheproductionofbaseballbats.】20、【单选题】Tradecanmakeeverybodybetteroffbecauseit本题答案：【allowspeopletospecializeaccordingtocomparativeadvantage.】21、【判断题】Economicsisthestudyofhowevenlygoodsandservicesaredistributedwithinsociety.本题答案：【错误】22、【判断题】Ifwagesforaccountantsrose,thenaccountants’leisuretimewouldhavealoweropportunitycost.本题答案：【错误】23、【判断题】Amarginalchangeisasmallincrementaladjustmenttoanexistingplanofaction.本题答案：【正确】24、【判断题】Tradewithanynationcanbemutuallybeneficial.本题答案：【正确】25、【判断题】Onewaythatgovernmentscanimprovemarketoutcomesistoensurethatindividualsareabletoownandexercisecontrolovertheirscarceresources.本题答案：【正确】26、【判断题】Inflationincreasesthevalueofmoney.本题答案：【错误】27、【判断题】Inthecircularflowdiagram,paymentsforlabor,land,andcapitalflowfromfirmstohouseholdsthroughthemarketsforthefactorsofproduction.本题答案：【正确】28、【判断题】Pointsinsidetheproductionpossibilitiesfrontierrepresentinefficientlevelsofproduction.本题答案：【正确】29、【判断题】Interdependenceamongindividualsandinterdependenceamongnationsarebothbasedonthegainsfromtrade.本题答案：【正确】30、【判断题】Tradeallowsacountrytoconsumeoutsideitsproductionpossibilitiesfrontier.本题答案：【正确】单元测验2：第二篇（供给与需求：市场如何运行）1、【单选题】Inamarketeconomy,supplyanddemanddetermine本题答案：【boththequantityofeachgoodproducedandthepriceatwhichitissold.】2、【单选题】Thequantitydemandedofagoodistheamountthatbuyersare本题答案：【willingandabletopurchase.】3、【单选题】Adecreaseinquantitydemanded本题答案：【resultsinamovementupwardandtotheleftalongademandcurve.】4、【单选题】AdamSmithsuggestedthataninvisiblehandguidesmarketeconomies.Inthisanalogy,whatisthebatonthattheinvisiblehandusestoconducttheeconomicorchestra?本题答案：【prices】5、【单选题】Elasticityis本题答案：【ameasureofhowmuchbuyersandsellersrespondtochangesinmarketconditions.】6、【单选题】Supposethereisa6percentincreaseinthepriceofgoodXandaresulting6percentdecreaseinthequantityofXdemanded.PriceelasticityofdemandforXis本题答案：【1.】7、【单选题】Goodswithmanyclosesubstitutestendtohave本题答案：【moreelasticdemands.】8、【单选题】Iftwogoodsaresubstitutes,theircross-priceelasticitywillbe本题答案：【positive.】9、【单选题】Apriceceilingisbindingwhenitisset本题答案：【belowtheequilibriumprice,causingashortage.】10、【单选题】Ifthegovernmentwantstoreducesmoking,itshouldimposeataxon本题答案：【eitherbuyersorsellersofcigarettes.】11、【判断题】Ifsomethinghappenstoalterthequantitydemandedatanygivenprice,thenthedemandcurveshifts.本题答案：【正确】12、【判断题】Iforangejuiceandapplejuicearesubstitutes,anincreaseinthepriceoforangejuicewillshiftthedemandcurveforapplejuicetotheleft.本题答案：【错误】13、【判断题】Ingeneral,demandcurvesfornecessitiestendtobepriceelastic.本题答案：【错误】14、【判断题】Priceelasticityofdemandalongalinear,downward-slopingdemandcurveincreasesaspricefalls.本题答案：【错误】15、【判断题】Whendemandisinelastic,adecreaseinpriceincreasestotalrevenue.本题答案：【错误】16、【判断题】Normalgoodshavenegativeincomeelasticitiesofdemand,whileinferiorgoodshavepositiveincomeelasticitiesofdemand.本题答案：【错误】17、【判断题】Attheequilibriumprice,thequantitythatbuyerswanttobuyexactlyequalsthequantitythatsellerswanttosell.本题答案：【正确】18、【判断题】Theeffectsofrentcontrolinthelongrunincludelowerrentsandlower-qualityhousing.本题答案：【正确】19、【判断题】Notallsellersbenefitfromabindingpricefloor.本题答案：【正确】20、【判断题】Whobearsthemajorityofataxburdendependsonwhetherthetaxisplacedonthebuyersorthesellers.本题答案：【错误】单元测验3：第三篇（供给与需求II：市场与福利）1、【单选题】Welfareeconomicsisthestudyof本题答案：【howtheallocationofresourcesaffectseconomicwell-being.】2、【单选题】Consumersurplusis本题答案：【theamountabuyeriswillingtopayforagoodminustheamountthebuyeractuallypaysforit.】3、【单选题】Ifaconsumerplacesavalueof$20onaparticulargoodandifthepriceofthegoodis$25,thenthe本题答案：【consumerdoesnotpurchasethegood.】4、【单选题】IfGinasellsashirtfor$40,andherproducersurplusfromthesaleis$32,hercostmusthavebeen本题答案：【$8.】5、【单选题】Inefficiencyexistsinaneconomywhenagoodis本题答案：【notbeingconsumedbybuyerswhovalueitmosthighly.】6、【单选题】Whenataxisimposedonagood,the本题答案：【equilibriumquantityofthegoodalwaysdecreases.】7、【单选题】Taxescausedeadweightlossesbecausethey本题答案：【Alloftheanswersarecorrect.】8、【单选题】Thedeadweightlossfroma$3taxwillbelargestinamarketwith本题答案：【elasticsupplyandelasticdemand.】9、【单选题】Thebefore-tradepriceoffishinDenmarkis$10.00perpound.Theworldpriceoffishis$6.00perpound.Denmarkisaprice-takerinthefishmarket.IfDenmarkbeginstoallowtradeinfish,itsconsumersoffishwillbecome本题答案：【betteroff,itsproducersoffishwillbecomeworseoff,andonbalancethecitizensofDenmarkwillbecomebetteroff.】10、【单选题】SupposeIranimposesatariffonlumber.Forthetarifftohaveanyeffect,itmustbethecasethat本题答案：【theworldpricewithoutthetariffislessthanthepriceoflumberwithouttrade.】11、【单选题】Whichofthefollowingiscorrect?本题答案：【Totalsurplusismeasuredastheareabelowthedemandcurveandabovethesupplycurve,uptotheequilibriumquantity.】12、【单选题】Ifanallocationofresourcesisefficient,then本题答案：【allpotentialgainsfromtradeamongbuyersaresellersarebeingrealized.】13、【单选题】Theinvisiblehandrefersto本题答案：【themarketplaceguidingtheself-interestsofmarketparticipantsintopromotinggeneraleconomicwell-being.】14、【单选题】Supposethattheequilibriumpriceinthemarketforwidgetsis$5.Ifalawincreasedtheminimumlegalpriceforwidgetsto$6,本题答案：【anypossibleincreaseinproducersurpluswouldbesmallerthanthelossofconsumersurplus.】15、【单选题】Ifamarketisallowedtoadjustfreelytoitsequilibriumpriceandquantity,thenanincreaseindemandwill本题答案：【increaseproducersurplus.】16、【单选题】Inefficiencycanbecausedinamarketbythepresenceof本题答案：【Alltheanswersarecorrect.】17、【单选题】Marketfailureistheinabilityof本题答案：【someunregulatedmarketstoallocateresourcesefficiently.】18、【单选题】Ifthecurrentallocationofresourcesinthemarketforhammersisinefficient,thenitmustbethecasethat本题答案：【thesumofconsumersurplusandproducersurpluscouldbeincreasedbymovingtoadifferentallocationofresources.】19、【单选题】Coffeeandteaaresubstitutes.Badweatherthatsharplyreducesthecoffeebeanharvestwould本题答案：【decreaseconsumersurplusinthemarketforcoffeeandincreaseproducersurplusinthemarketfortea.】20、【单选题】Manyeconomistsbelievethatrestrictionsagainstticketscalpingresultineachofthefollowingexcept本题答案：【shorterlinesatculturalandsportingevents.】21、【判断题】Consumersurplusistheamountabuyeriswillingtopayforagoodminustheamountthebuyeractuallyhastopayforit.本题答案：【正确】22、【判断题】Consumersurplusmeasuresthebenefittobuyersofparticipatinginamarket.本题答案：【正确】23、【判断题】Consumersurpluscanbemeasuredastheareabetweenthedemandcurveandtheequilibriumprice.本题答案：【正确】24、【判断题】Consumersurpluscanbemeasuredastheareabetweenthedemandcurveandthesupplycurve.本题答案：【错误】25、【判断题】Allelseequal,anincreaseinsupplywillcauseanincreaseinconsumersurplus.本题答案：【正确】26、【判断题】Allelseequal,anincreaseindemandwillalwaysincreaseconsumersurplus.本题答案：【错误】27、【判断题】Allelseequal,anincreaseindemandwillcauseanincreaseinproducersurplus.本题答案：【正确】28、【判断题】Theareabelowthepriceandabovethesupplycurvemeasurestheproducersurplusinamarket.本题答案：【正确】29、【判断题】Allelseequal,adecreaseindemandwillcauseanincreaseinproducersurplus.本题答案：【错误】30、【判断题】Theareabelowthedemandcurveandabovethesupplycurvemeasurestheproducersurplusinamarket.本题答案：【错误】31、【判断题】Ifthegovernmentimposesabindingpriceceilinginamarket,thentheproducersurplusinthatmarketwillincrease.本题答案：【错误】32、【判断题】Thelowertheprice,thelowertheproducersurplus,allelseequal.本题答案：【正确】33、【判断题】Economistsgenerallybelievethat,althoughtheremaybeadvantagestosocietyfromticket-scalping,thecoststosocietyofthisactivityoutweighthebenefits.本题答案：【错误】34、【判断题】Economistsarguethatrestrictionsagainstticketscalpingactuallydriveupthecostofmanytickets.本题答案：【正确】35、【判断题】Efficiencyisrelatedtothesizeoftheeconomicpie,whereasequalityisrelatedtohowthepiegetsslicedanddistributed.本题答案：【正确】36、【判断题】Thecurrentpolicyonkidneydonationactuallysetsapriceceilingofzero.本题答案：【正确】37、【判断题】Ifamarketisinequilibrium,thenitisimpossibleforasocialplannertoraiseeconomicwelfarebyincreasingordecreasingthequantityofthegood.本题答案：【正确】38、【判断题】Unlessmarketsareperfectlycompetitive,theymayfailtomaximizethetotalbenefitstobuyersandsellers.本题答案：【正确】单元测验4：第四篇（公共部门经济学）1、【单选题】Anexternalityis本题答案：【theuncompensatedimpactofoneperson'sactionsonthewell-beingofabystander.】2、【单选题】Whichofthefollowingstatementsiscorrect?本题答案：【Governmentshouldtaxgoodswithnegativeexternalitiesandsubsidizegoodswithpositiveexternalities.】3、【单选题】Marketsareofteninefficientwhennegativeexternalitiesarepresentbecause本题答案：【socialcostsexceedprivatecostsattheprivatemarketsolution.】4、【单选题】Thebestremedyformarketfailureisoften本题答案：【amarket-basedsolution.】5、【单选题】TheCoasetheoremsuggeststhatprivatemarketsmaynotbeabletosolvetheproblemofexternalities本题答案：【whenthenumberofinterestedpartiesislargeandbargainingcostsarehigh.】6、【单选题】Alteringincentivessothatpeopletakeaccountoftheexternaleffectsoftheiractions本题答案：【Alltheanswersarecorrect.】7、【单选题】Forprivategoodsallocatedinmarkets,本题答案：【pricesguidethedecisionsofbuyersandsellersandthesedecisionsleadtoanefficientallocationofresources.】8、【单选题】Theprovisionofapublicgoodgeneratesa本题答案：【positiveexternalityandtheuseofacommonresourcegeneratesanegativeexternality.】9、【单选题】Goodsthatarenotexcludableincludeboth本题答案：【commonresourcesandpublicgoods.】10、【单选题】Thefree-riderproblem本题答案：【explainswhymanylocalgovernmentssupplypublicgoods.】11、【单选题】Inamarketeconomy,governmentintervention本题答案：【mayimprovemarketoutcomesinthepresenceofexternalities.】12、【单选题】Anexternalityisanexampleof本题答案：【amarketfailure.】13、【单选题】Acostimposedonsomeonewhoisneithertheconsumernortheproduceriscalleda本题答案：【negativeexternality.】14、【单选题】Whichofthefollowingstatementsaboutawell-maintainedyardbestconveysthegeneralnatureoftheexternality?本题答案：【Awell-maintainedyardconveysapositiveexternalitybecauseitincreasesthevalueofadjacentpropertiesintheneighborhood.】15、【单选题】Whichofthefollowingisnotcorrect?本题答案：【Externalitiescannotbepositive.】16、【单选题】Whengoodsdonothaveaprice,whichofthefollowingprimarilyensuresthatthegoodisproduced?本题答案：【government】17、【单选题】Theprovisionofpublicgoodsgivesriseto本题答案：【positiveexternalities.】18、【单选题】Bothpublicgoodsandcommonresourcesare本题答案：【nonexcludable.】19、【单选题】Whensomethingofvaluehasnopriceattachedtoit,本题答案：【externalitieswillbepresent.】20、【单选题】Ifoneperson'suseofagooddiminishesanotherperson'senjoymentofit,thegoodis本题答案：【rivalinconsumption.】21、【判断题】Marketssometimesfailtoallocateresourcesefficiently.本题答案：【正确】22、【判断题】Whenatransactionbetweenabuyerandsellerdirectlyaffectsathirdparty,theeffectiscalledanexternality.本题答案：【正确】23、【判断题】Barkingdogscannotbeconsideredanexternalitybecauseexternalitiesmustbeassociatedwithsomeformofmarketexchange.本题答案：【错误】24、【判断题】Researchintonewtechnologiesconveysneithernegativeexternalitiesnorpositiveexternalities.本题答案：【错误】25、【判断题】Thesocialcostofpollutionincludestheprivatecostsoftheproducersplusthecoststothosebystandersadverselyaffectedbythepollution.本题答案：【正确】26、【判断题】Whenfirmsinternalizeanegativeexternality,themarketsupplycurveshiftstotheleft.本题答案：【正确】27、【判断题】Governmentsubsidizedscholarshipsareanexampleofagovernmentpolicyaimedatcorrectingnegativeexternalitiesassociatedwitheducation.本题答案：【错误】28、【判断题】Acongestiontollimposedonahighwaydrivertoforcethedrivertotakeintoaccounttheincreaseintraveltimesheimposesonallotherdriversisanexampleofinternalizingtheexternality.本题答案：【正确】29、【判断题】Thegovernmentcaninternalizeexternalitiesbytaxinggoodsthathavenegativeexternalitiesandsubsidizinggoodsthathavepositiveexternalities.本题答案：【正确】30、【判断题】Atechnologyspilloverisatypeofnegativeexternality.本题答案：【错误】31、【判断题】Theconceptofexternalcostisassociatedwithanegativeexternality,butnotwithapositiveexternality.本题答案：【正确】32、【判断题】Whenmarketactivitygeneratesanegativeexternality,thelevelofoutputinthemarketequilibriumislowerthanthesociallyoptimallevel.本题答案：【错误】33、【判断题】Todeterminetheoptimallevelofoutputinamarketwithnegativeexternalities,abenevolentsocialplannerwouldlookforthelevelofoutputatwhichprivatecostequalsprivatevalue.本题答案：【错误】34、【判断题】Agoodthatisexcludablebutnotrivalisknownasaclubgood.本题答案：【正确】35、【判断题】Concertsinarenasarenotexcludablebecauseitisvirtuallyimpossibletopreventsomeonefromseeingtheshow.本题答案：【错误】36、【判断题】Agoodthatisexcludableisonethatsomeonecanbepreventedfromusingifshedidnotpayforit.本题答案：【正确】37、【判断题】Commonresourcesandpublicgoodshaveincommonthattheyarenotexcludableandtheyarenotrivalinconsumption.本题答案：【错误】38、【判断题】Afree-riderissomeonewhoreceivesthebenefitofagoodbutavoidspayingforit.本题答案：【正确】39、【判断题】Eveneconomistswhoadvocatesmallgovernmentagreethatnationaldefenseisagoodthatthegovernmentshouldprovide.本题答案：【正确】单元测验5：第五篇（企业成本及完全竞争市场）1、【单选题】Afirmhasmarketpowerifitcan本题答案：【influencethemarketpriceofthegooditsells.】2、【单选题】Abookstorethathasmarketpowercan本题答案：【influencethemarketpriceforthebooksitsells.】3、【单选题】Theanalysisofcompetitivefirmsshedslightonthedecisionsthatliebehindthe本题答案：【supplycurve.】4、【单选题】Foranycompetitivemarket,thesupplycurveiscloselyrelatedtothe本题答案：【firms’costsofproductioninthatmarket.】5、【单选题】Supposeafirmineachofthetwomarketslistedbelowweretoincreaseitspriceby20percent.Inwhichpairwouldthefirminthefirstmarketlistedexperienceadramaticdeclineinsales,butthefirminthesecondmarketlistedwouldnot?本题答案：【spiralnotebooksandcollegetextbooks】6、【单选题】Supposeafirmineachofthetwomarketslistedbelowweretoincreaseitspriceby30percent.Inwhichpairwouldthefirminthefirstmarketlistedexperienceadramaticdeclineinsales,butthefirminthesecondmarketlistedwouldnot?本题答案：【cabletelevisionandgasoline】7、【单选题】Akeycharacteristicofacompetitivemarketisthat本题答案：【producerssellnearlyidenticalproducts.】8、【单选题】Whichofthefollowingisnotacharacteristicofacompetitivemarket?本题答案：【Entryislimited.】9、【单选题】Whichofthefollowingisacharacteristicofacompetitivemarket?本题答案：【Buyersandsellersarepricetakers.】10、【单选题】Whoisapricetakerinacompetitivemarket?本题答案：【bothbuyersandsellers】11、【单选题】Competitivemarketsarecharacterizedby本题答案：【freeentryandexitbyfirms.】12、【单选题】Afirmthathaslittleabilitytoinfluencemarketpricesoperatesina本题答案：【competitivemarket.】13、【单选题】Becausethegoodsofferedforsaleinacompetitivemarketarelargelythesame,本题答案：【sellerswillhavelittlereasontochargelessthanthegoingmarketprice.】14、【单选题】Whichofthefollowingisnotacharacteristicofaperfectlycompetitivemarket?本题答案：【Firmshavedifficultyenteringthemarket.】15、【单选题】Whichofthefollowingisnotacharacteristicofaperfectlycompetitivemarket?本题答案：【Manyfirmshavemarketpower.】16、【单选题】Freeentrymeansthat本题答案：【nolegalbarrierspreventafirmfromenteringanindustry.】17、【单选题】Whichofthefollowingindustriesismostlikelytoexhibitthecharacteristicoffreeentry?本题答案：【dairyfarming】18、【单选题】Whichofthefollowingindustriesisleastlikelytoexhibitthecharacteristicoffreeentry?本题答案：【municipalwaterandsewer】19、【单选题】Whenbuyersinacompetitivemarkettakethesellingpriceasgiven,theyaresaidtobe本题答案：【pricetakers.】20、【单选题】Whydoesafirminacompetitiveindustrychargethemarketprice?本题答案：【Allthechoicesarecorrect.】21、【判断题】Forafirmoperatinginaperfectlycompetitiveindustry,totalrevenue,marginalrevenue,andaveragerevenueareallequal.本题答案：【错误】22、【判断题】Ifafirmchargesmorethanthemarketpriceinacompetitiveindustry,itlosesallitscustomerstootherfirms.本题答案：【正确】23、【判断题】Ifafirmnoticesthatitsaveragerevenueequalsthecurrentmarketprice,thatfirmmustbeparticipatinginacompetitivemarket.本题答案：【错误】24、【判断题】Forafirmoperatinginacompetitivemarket,bothmarginalrevenueandaveragerevenueexceedthemarketprice.本题答案：【错误】25、【判断题】Aprofit-maximizingfirminacompetitivemarketwillincreaseproductionwhenaveragerevenueexceedsmarginalcost.本题答案：【正确】26、【判断题】Becausetherearemanybuyersandsellersinaperfectlycompetitivemarket,noonesellercaninfluencethemarketprice.本题答案：【正确】27、【判断题】Whenanindividualfirminacompetitivemarketincreasesitsproduction,itislikelythatthemarketpricewillfall.本题答案：【错误】28、【判断题】Whenanindividualfirminacompetitivemarketdecreasesitsproduction,itislikelythatthemarketpricewillrise.本题答案：【错误】29、【判断题】Inacompetitivemarket,firmsareunabletodifferentiatetheirproductfromthatofotherproducers.本题答案：【正确】30、【判断题】Firmsinacompetitivemarketaresaidtobepricetakersbecausetherearemanysellersinthemarket,andthegoodsofferedbythefirmsareverysimilarifnotidentical.本题答案：【正确】31、【判断题】Thetwocharacteristicsofacompetitivemarketare1)manybuyersandsellersinthemarketand2)thegoodsofferedbythevarioussellersarehighlydifferentiated.本题答案：【错误】32、【判断题】Firmsoperatinginperfectlycompetitivemarketstrytomaximizeprofits.本题答案：【正确】33、【判断题】Afirm'sincentivetocomparemarginalrevenueandmarginalcostisanapplicationoftheprinciplethatrationalpeoplethinkatthemargin.本题答案：【正确】34、【判断题】Firmsoperatinginperfectlycompetitivemarketsproduceanoutputlevelwheremarginalrevenueequalsmarginalcost.本题答案：【正确】35、【判断题】Afirmiscurrentlyproducing100unitsofoutputperday.Themanagerreportstotheownerthatproducingthe100thunitcoststhefirm$5.Thefirmcansellthe100thunitfor$4.75.Thefirmshouldcontinuetoproduce100unitsinordertomaximizeitsprofits(orminimizeitslosses).本题答案：【错误】36、【判断题】Afirmiscurrentlyproducing100unitsofoutputperday.Themanagerreportstotheownerthatproducingthe100thunitcoststhefirm$5.Thefirmcansellthe100thunitfor$5.Thefirmshouldcontinuetoproduce100unitsinordertomaximizeitsprofits(orminimizeitslosses).本题答案：【正确】37、【判断题】Allfirmsmaximizeprofitsbyproducinganoutputlevelwheremarginalrevenueequalsmarginalcost;forfirmsoperatinginperfectlycompetitiveindustries,maximizingprofitsalsomeansproducinganoutputlevelwherepriceequalsmarginalcost.本题答案：【正确】38、【判断题】Afirmoperatinginaperfectlycompetitiveindustrywillcontinuetooperateintheshortrunbutearnlossesifthemarketpriceislessthanthatfirm’saveragetotalcostbutgreaterthanthefirm’saveragevariablecost.本题答案：【正确】39、【判断题】Afirmoperatinginaperfectlycompetitiveindustrywillcontinuetooperateintheshortrunbutearnlossesifthemarketpriceislessthanthatfirm’saveragevariablecostbutgreaterthanthefirm’saveragefixedcost.本题答案：【错误】单元测验6：第五篇（非完全竞争市场）1、【单选题】Whichofthefollowingstatementsaboutoligopoliesisnotcorrect?本题答案：【Unlikemonopoliesandmonopolisticallycompetitivemarkets,oligopoliespricesdonotexceedtheirmarginalrevenues.】2、【单选题】Inthelanguageofgametheory,asituationinwhicheachpersonmustconsiderhowothersmightrespondtohisorherownactionsiscalleda本题答案：【strategicsituation.】3、【单选题】Ingeneral,gametheoryisthestudyof本题答案：【howpeoplebehaveinstrategicsituations.】4、【单选题】Whichofthefollowingstatementsiscorrect?本题答案：【Gametheoryisnotnecessaryforunderstandingcompetitiveormonopolymarkets.】5、【单选题】Inwhichofthefollowingmarketsarestrategicinteractionsamongfirmsmostlikelytooccur?本题答案：【themarketfortelecomservices】6、【单选题】Gametheoryisimportantforunderstandingwhichofthefollowingmarkettypes?本题答案：【oligoplisticbutnotperfectlycompetitivemarkets】7、【单选题】Inchoosingamongalternativecoursesofaction,Rajmustconsiderhowothersmightrespondtotheactionhetakes.Inthelanguageofgametheory,wesaythatRajmustthink本题答案：【strategically.】8、【单选题】Inanoligopoly,eachfirmknowsthatitsprofits本题答案：【dependonbothhowmuchoutputitproducesandhowmuchoutputitsrivalfirmsproduce.】9、【单选题】Adistinguishingfeatureofanoligopolisticindustryisthetensionbetween本题答案：【cooperationandselfinterest.】10、【单选题】Instudyingoligopolisticmarkets,economistsassumethat本题答案：【eacholigopolistcaresonlyaboutitsownprofit.】11、【单选题】Aspecialkindofimperfectlycompetitivemarketthathasonlytwofirmsiscalled本题答案：【aduopoly.】12、【单选题】Whichofthefollowingstatementsiscorrect?本题答案：【Allchoicesarecorrect.】13、【单选题】Anagreementamongfirmsinamarketaboutquantitiestoproduceorpricestochargeiscalled本题答案：【collusion.】14、【单选题】Amonopoly本题答案：【cansetthepriceitchargesforitsoutputbutfacesadownward-slopingdemandcurvesoitcannotearnunlimitedprofits.】15、【单选题】Becausemonopolyfirmsdonothavetocompetewithotherfirms,theoutcomeinamarketwithamonopoly本题答案：【isoftennotinthebestinterestofsociety.】16、【单选题】Thefundamentalsourceofmonopolypoweris本题答案：【barrierstoentry.】17、【单选题】Ifamonopolisthaszeromarginalcosts,itwillproduce本题答案：【theoutputatwhichtotalrevenueismaximized.】18、【单选题】Whichofthefollowingstatementsisnotcorrect?本题答案：【Partofthedeadweightlossassociatedwithmonopolyismeasuredbythemonopolist'seconomicprofit.】19、【单选题】Thebreakfastcerealindustry,withitsconcentrationratioof80%,wouldbestbedescribedasa(n)本题答案：【oligopoly.】20、【单选题】Whichmarketstructurewouldlikelyhavethehighestconcentrationratio?本题答案：【Monopoly】21、【单选题】Intheshortrun,afirmoperatinginamonopolisticallycompetitivemarketcanearn本题答案：【Alltheanswersarepossible.】22、【单选题】Asituationinwhichfirmschoosetheirbeststrategygiventhestrategieschosenbytheotherfirmsinthemarketiscalled本题答案：【aNashequilibrium.】23、【单选题】WhenanoligopolymarketreachesaNashequilibrium,本题答案：【afirmwillhavechosenitsbeststrategy,giventhestrategieschosenbyotherfirmsinthemarket.】24、【单选题】Tobesuccessful,acartelmust本题答案：【agreeonthetotallevelofproductionandontheamountproducedbyeachmember.】25、【单选题】Agroupoffirmsthatactinunisontomaximizecollectiveprofitsiscalleda本题答案：【cartel.】26、【判断题】Afirminamonopolisticallycompetitivemarketcanearnbothshort-runandlong-runprofits.本题答案：【错误】27、【判断题】Inthelongrun,monopolisticallycompetitivefirmsproducewheredemandequalsmarginalcost.本题答案：【错误】28、【判断题】Monopolisticallycompetitivefirms,likemonopolyfirms,maximizetheirprofitsbychargingapricethatexceedsmarginalcost.本题答案：【正确】29、【判断题】Monopolisticcompetitionischaracterizedbyafewsellersofferingsimilarproducts,whereasoligopolyischaracterizedbymanysellersofferingdifferentiatedproducts.本题答案：【错误】30、【判断题】Productdifferentiationalwaysleadstosomemeasureofmarketpower.本题答案：【正确】31、【判断题】Monopolisticcompetitionistheonlymarketstructurethatfeaturesmanysellers.本题答案：【错误】32、【判断题】Themarketforwheatismostlikelyconsideredamonopolisticallycompetitivemarket.本题答案：【错误】33、【判断题】Monopolisticcompetitionischaracterizedbymanybuyersandsellers,productdifferentiation,andfreeentry.本题答案：【正确】34、【判断题】Thecompetitioninmonopolisticallycompetitivemarketsismostlik