经济学微观题目 7页

经济学原理课程第二次测验试卷专业________________姓名____________成绩____________1、IfIanbuysonlyCDsandcandybars,themaximizationofCDsandcandybarsthatIanbuyslieshisbudgetconstrain;(B)a、intrude;b、On,c、outside,d、on,e、Outside;2、IanbuysonlyCDsandcandybars.Whenhemovesalonghisbudgetconstraint;(E)a、thepriceofCDschanges,butnothisincomeorthepriceofcandybars;b、thepriceofcandybarschangesbutnothisincomeorpriceofCDsc、thepricesofbothproductschange,butnothisincomed、thepricesofbothproductschange,andhisincomechangestoo;e、thepricesofbothproductsandhisincomeareallconstant;3、AllexceptoneinthefollowinglistarealternativemeasuresofthesamethingWhichisnot?(D)a、therelativepriceb、Theslopeofthebudgetconstraintc、thetrade-offfacingtheindividuald、Slopeofthedemandcurve4、BobbuysonlybottlesofbeerandpizzasAbottleofbeercosts＄2andpizzasare＄8cachBob’strade-offisbeersperpizza(C)A.0.25B.2C.4D.85、Bobbuysonlybottlesofbeerandpizzas,Abottleofbeercosts＄2andpizzasare＄8each,Therelativepriceofbeerispizza;(A)a、0.25b、2c、4d、8e、166、Lizbuysonlyclothesandfood.Whenthepriceofclothesincrease,itisasifLizhaslessmoneytospendonbothclothesandfoodTheimpactofthislossofpurchasingpoweronherpurchasesofclothesistermedthe;(C)a、substationeffectb、lawofdemandc、incomeeffectd、pricee、elasticityofdemand7、ThesubstitutioneffectofanincreaseonthepriceofCDsis:(B)a、thepriceelasticityofdemandforCDsb、TheeffectontheconsumptionofCDsduetothefallinpurchasingpowercausedbythepriceincrease;d、TheeffectontheconsumptionofCDsduetothefallinpurchasingpowercausedbythepriceincreasee、ThefallinconsumptionofCDswhenthepriceofCDsincrease.8、Ifthepriceofagoodincases,the(B)a、incomeeffectwillopposeanddominatethesubstitutioneffect,sothatconsumptionincreases.b、Incomeandsubstitutioneffectseachleadtoreducedconsumptionofc、Substitutioneffectwillopposeanddominatetheincomeeffect,sothatconsumptiondecreasesd、Incomeandsubstitutioneffectseachleadtoincreasedconsumptionofthegood\n9、Ianconsumesglassesofwineandpizzas.Ifthepriceofaglasswinedecreases,the:(C)a、Incomeandsubstitutioneffectseachleadtoincreasedconsumptionofpizzasb、Incomeandsubstitutioneffectseachleadtoreducedconsumptionofthepizzas.c、Incomeeffectwillincreaseconsumptionofpizzas,butthesubstitutioneffectwillredactitd、Substitutioneffectwillincreaseconsumptionofpizzas,buttheincomeeffectwillreduceit10、Onewaytomeasuremarginalutilityistheamountwillinglypaidfor(C)a、allunitsexceptthelastonepurchasedb、Allunitspurchasedc、Thelastunitpurchasedd、Thefirstunitpurchased11、Diminishingmarginalutilitymeansthat;(D)a、thecostutilitycervicesbecomescheaperasthelevelofservicesincreasesb、Asandindividual’sbundleofgoodsincludesmoreofaparticulargood,cachsuccessiveincrementyieldsherlesstotalbenefit;c、Asanindividual’sbundleofgoodsincludesmoreofaparticulargood,totalwillingnesstofalls.d、Asandindividual’sbundleofgoodsincludesmoreofaparticulargood,eachsuccessiveincrementyieldsherlessadditionalbenefit.12、GrahambuysonlygolfclubsandrestaurantdinnersHecanincreaseutilitybyreallocatingincomeamongthesetwogoodsuntil;(C)a、themarginalutilitiesareequal;b、Thewillingnesstopayforanadditionalunitisthesameforgolfclubsandrestaurantdinnersc、Theratioofthemarginalutilitiesequalstheratiooftheprices;d、Thetotalwillingnesstopayforgolfclubsequalsthetotalwillingnesstopayforrestaurantdinners;13、Themarginalproductofafactorofproductionisthe;(A)a、changeinoutputdividedbythechangeintheamountofthefactorofproductioninthefilmuses;b、Outputdividedbytheamountofthefactorofproductionthefilmusesc、Firm’soutputdividedbyitstotalcostofproductiond、Amountofoutputattributabletothatfactorofproduction14、Theslopeofproductionfunctionisthe(D)a、averagecostb、Averageproductc、marginalcostd、Marginalproduct15、Ifafilmreducestheamountofafactoritusesandthemarginalproductofthefactorincreasestheproductionfunctionissaidtoexhibit;(B)A、constantrerunsB、diminishingreturnsC、decreasingcostsD、increasingreturns16、Whichofthefollowingismostlikelytobeavariablecost?(D)A、propertytaxesB、C、insurancepremiumsD、wagepayments\n17、Whichofthefollowingrelationshipittrue?(C)A、WhenmarginalcostisincreasingmarginalproductwillbeincreasingB、WhenmarginalcostisincreasingaveragecostwillbeincreasingC、Whenmarginalcostisincreasingmarginalproductwillbedeclining;D、Whenmarginalcostisincreasing,marginalproductwillbeconstant;18、Whichofthefollowingstatementsaboutmarginalandaveragecostiscorrect?(D)A、IfaveragecostisrisingmarginalcostmayberisingorfallingB、AveragecostequalsmarginalcostattheminimumpointofthemarginalcostcurveC、Ifmarginalcostisrisingaveragecostmustberisingorfalling.D、Marginalcostequalsaveragecostattheminimumpointoftheaveragecostcurve.19、Ifafirmoperatinginacompetitivemarketasituationinwhichmarginalrevenueexceedsmarginalcost:(A)A、thefilmwillincreaseprofitifitincreasesoutputB、ThefirmwillreduceprofitifitincreasesoutputC、ThefirmmustbemakingalossD、Thefirmwillincreaseprofitifitreduceoutput20、Aprofit–maximizingproducerwillincreaseoutputinancompetitivemarketifmarketpriceexceeds(A)A、minimumaveragecostB、marginalrevenueC、minimumaveragevariablecostD、minimummarginalcost21、Afilmgeneratestotalrevenueof80000Laborcosts40000materialscost20000andtheownercouldhaveearned15000workingforsomeoneelseToaneconomistprofitequalsToanaccountantprofitequals(D)機會成本A、＄40000;＄5000B、＄5000；＄40000C、＄40000;＄15000D、＄5000；＄2000022、Thereasonofgoodsandservicesthatyieldeconomicrentisthattheircurvesare:(D)A、extremelyprice-elasticB、extremelyprice-inelasticC、undefinedD、downwardsloping23、Incompetitivemarketsfirmsthatraisesitspriceabovethemarketpriceloses;inmarketswherecompetitionislimited,afirmthatraisesitspriceloses.(D)A、allitscustomers;mostofitscustomersB、asmallproportionofitscustomers;allitscustomersC、asmallproportionofitscustomers;mostofitscustomers;D、allitscustomers;asmallproportionofitscustomers24、Thephrasemarketstructurerefersto(D)A、howeachfilminanindustrydeterminesitspricingpolicyB、HowfrequentlyfirmsinandindustrycooperatewitheachotherC、Howmuchadvertisingoccurswithinanindustry;D、Howanindustryinthatmarketisorganized;\n25、Amonopolyis;(D)A、thelargestfilminaspecificindustryB、AsinglesellerofaproductwithmanygoodsubstitutesC、ThelargestfilminanindustrywithasmallnumberoffirmsD、Asinglesellerofaproductwithnogoodsubstitutes;26、Inwhichofthemarketstructuresdofilmshavetoconsidertheresponsesofotherfirms?(B)A、monopolyB、OligopolyC、perfectcompetitionD、monopolisticcompetition27、Inmonopolisticcompetition(D)A、therearemanyfirmsintheindustry,allsellingahomogeneousproductB、therearemanyfirmsintheindustry,eachconcernedwiththebehaviorofitsrivalsC、thereisonlyonefirmintheindustryD、therearemanyfirmsintheindustry,eachsellingslightlydifferentiatedproducts28、AllofthefollowingexceptonedescribebothmonopolyandperfectcompetitionWhichdoesnot?（C）A、bothtrytomaximizeprofitsB、BothdetermineoutputbyequatingmarginalrevenueandmarginalcostC、BothbehaveaspricetakersD、Bothreduceoutputifmarginalcostexceedsmarginalrevenue29、Thedemandcurvefacingamonopolistis(D)A、upwardslopingB、PerfectlyinelasticC、verticalD、downwardsloping30、totheperfectcompetitivefirm,marginalrevenueequalspricebecause(D)A、itproducesaverylargepercentageoftotaloutputB、IthasarelativelylargeofcontroloverpriceC、IthasbeenabletodifferentiateitsproductfromothersintheindustryD、Itproducesaverysmallpercentageoftotaloutput31、Foramonopolistthemarginalrevenuefromsellingonemoreunitequals;(C)A、thepriceitreceivesfromthesaleofthatunitB、thelossinrevenuesfromthesaleofallotherunitsatthenewlowerprice.C、ThepriceitreceivesformthesaleofthatunitminusthelossinrevenuesformthesaleofallotherunitsatthenewlowerpriceD、Thepriceoftheunit,lessthewagespaidtotheworkerwhoproducesit32、Becauseamonopolistmustloweritspriceonallunitstosellextraunits(B)A、magmarevenuewillbeequaltopriceB、MarginalrevenuewillbelessthanpriceC、MarginalrevenuewillbegreaterthanpriceD、Themonopolist’stwelvewillalwaysincreasewhenitincreasesprice\n33、Amonopolistcallsell10unitat＄4petunitand9unitat＄16perunitThemarginalrevenueassociatedwiththetenthunitis(B)A、＄16B、＄4C、＄2D、＄434、Theprofitmaximizingmonopolistfindsthatatthepresentlevelofoutput,marginalrevenueequals＄20andmarginalcostis＄12ThepriceforthisoutputhasbeendeterminedformthedemandcurveWhatactionshouldthemonopolisttaketoincreaseprofits?(A)A、IncreaseoutputandreducepriceB、reduceoutputandpriceC、IncreaseoutputandpriceD、Increasepriceandreduceoutput35、Monopoliesreduceeconomicefficacy效力because;(B)A、totalrevenueexceedsmarginalcostwhenprofitsismaximizedB、PriceexceedsmarginalcostwhenprofitismaximizedC、MarginalrevenueexceedsmarginalcostwhenprofitismaximizedD、Marginalcostexceedsmarginalrevenuewhenprofitismaximized36、Thelargertheconcentrationratioforagivenindustry,the(C)A、morecompetitiveistheindustryB、GreateristhepriceelasticityofthedemandcurvefacingatypicalfilmintheindustryC、Leaseatypicalfirm’ssaleswilldropintheeventitraisesitspriceD、Morelikelyitistherewillbealargenumberoffilmsintheindustry37、AllofthefollowingexceptonearepotentialbettiestonotaryWhichinnot?(C)A、apatentB、EconomiesofscaleC、martensaveragecostD、singleownershipofessentialputt38、Afilmistermedanaturalmonopolyits(D)A、averagevariablecostsareinitiallyfallingB、averagefixedcostscontinuetodeclineatoutputsbeyondthosesustainableinthemarketC、TotalcostsdecliningatoutputsbeyondthosesustainableinthemarketD、averagecostsofproductioncontinuetodeclineatoutputsbeyondthosesustainable可持续的inthemarket39、allofthefollowingstatementsarecharactersofthemonopolisticcompetitionexcept(D)A、adownwardslopingdemandcurveB、film’signoringthereactionsofrivalsC、productdifferentiationD、long-runpositiveprofit40、Inmonopolisticcompetitionprofitswillbedriventozerobecauseof(B)A、productdifferentiationB、Ease悠闲ofentryintotheindustryC、costminimizationD、revenuemaximization41、Whenamonopolisticcompetitiveindustryisinequilibrium(C)\nA、marginalrevenueexceedsmarginalcostB、marginalrevenueequalspriceC、priceexceedminimumavengecostD、commandisperfectlypriceelastic42、Anoligopolyischaracterizedbya;(C)A、largenumberoffilmseachconcernedwithitsrival’sbehaviorB、largenumberoffirmsactingwithoutreferencetoitsrivals’behaviorC、smallnumberoffilmseachconcernedwithitsrivals’behaviorD、smallnumberoffilmsactingwithoutreferencetoitsrivals43、Acartelisanagreementamongfirmswherebythey(C)A、collectivelyincreaseoutputandreducepriceB、chargedifferentpricestodifferentconsumersforthesameprodueC、coordinatetheirdecisionstomaximizetheirjointprofitsD、changethesamepricestothesameconsumersfordifferentprducts44、Theinstabilityofacartelstemsfromthefactthateachmemberofthecartelthinkitcan(B)A、raiseitspricestilly,raiseitsoutputandincreaseitsprofitB、loweritspriceslightlyraiseitsoutputandincreaseitsprofitC、raiseitspriceslightlyloweritsoutputandincreaseitsprofitD、loweritspriceslightlyloweritsoutputandincreaseitsprofit45、Ifthewagethatthefilmhastoworkersincreasesandlaborisavariableinput(A)A、theaveragecostcurveshiftsupwardbutthemarginalcostcurveisunchangedB、theaveragecostandmarginalcostcurvesbothshiftupwardC、neithertheaveragecostandmarginalcostcurvesbothshiftdownwardD、theaveragecostandmarginalcostcurvesbothshiftdownward46、Whichofthefollowingistrueofmarginalcostwhenmarginalproductisdecreasing?(B)A、itisincreasinginitiallyanddecreasingeventuallyB、ItisincreasingC、ItisconstantD、Itisdecreasing47、Ifthereareincreasingrectumstoscaleintheproductionprocess,thismeansthatifallinputsareincreasedinproportiontoeachother,output(A)A、increasesmorethaninproportiontotheincreaseininputsB、increaseslessthaninproportiontotheincreaseininputsC、stayconstantD、falls48、Forafilminacompletivemarketthetotalrevenuecurveis(D)A、upwardslopingwithaconstantslope\nB、verticalC、downwardslopingwithaconstantslopeD、upwardslopingwithadecliningslope49、Whensomeofaprofit-maximizingfirm’scostsaresunkcosts,thefirmwillleaveacompetitivemarketif(B)A、marginalrevenueexceedsmarketpriceB、totalvariablecostrisesabovetotalrevenueC、averagerevenueexceedsmarketpriceD、minimumaveragecostisthanmarketprice50、Whenamarketisefficient(D)A、scarcityhasbeenminimizedB、scarcityhasbeeneliminatedC、allindividualwantshavebeensatisfiedD、therearenounexploitedgainstotrade