微观经济学试题英文版.doc

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1、ManagerialEconomicsPart1:1.ThepriceofgoodAgoesup.AsaresultthedemandforgoodBshiftstotheleft.Fromthiswecaninferthat:a.goodAisanormalgood.b.goodBisaninferiorgood.c.goodsAandBaresubstitutes.d.goodsAandBarecomplements.e.noneoftheabove.Choose:d)thedefinitionoscomplements2.Joe'sbudgetlineis15F+45C=900.When

2、Joechooseshismostpreferredmarketbasket,hebuys10unitsofC.therefore,healsobuys:a.10unitsofFb.30unitsofFc.50unitsofFd.60unitsofFe.NoneoftheaboveChoose:b)WeassumethatJoewillspendallhisincome.IfC=10,then15F=900–45(10)=450,soF=450/15=30.3.Kimonlybuyscoffeeandcompactdiscs.Coffeecosts$0.60percup,andCDscost$

3、12.00each.Shehas$18perweektospendonthesetwogoods.IfKimismaximizingherutility,hermarginalrateofsubstitutionofcoffeeforCDsis:a.0.05b.20c.18d.1.50e.NoneoftheaboveChoose:a)AtKim'smostpreferredmarketbasket,herMRSequalsthepriceratio(Pcoffee/PCD),whichequals0.6/12or0.05.4.Thebandwagoneffectcorrespondsbestt

4、owhichofthefollowing?a.snobeffect.b.externaleconomy.c.negativenetworkexternality.d.positivenetworkexternality.Choose:d)5.AGiffengooda.isalwaysthesameasaninferiorgood.b.isthespecialsubsetofinferiorgoodsinwhichthesubstitutioneffectdominatestheincomeeffect.c.isthespecialsubsetofinferiorgoodsinwhichthei

5、ncomeeffectdominatesthesubstitutioneffect.d.musthaveadownwardslopingdemandcurve.Choose:c)thedefinitionofGiffengood6.AnEngelcurveforagoodhasapositiveslopeifthegoodis:a.aninferiorgood.b.aGiffengood.c.anormalgood.d.a,b,andcaretrue.e.Noneoftheaboveistrue.Choose:c)InferiorandGiffengoodshavenegativelyslop

6、edEngelcurves.7.ThepriceofbeefandquantityofbeeftradedareP*andQ*,respectively.Giventhisinformation,consumersurplusisthearea:a.0BCQ*b.ABCc.ACP*d.CBP*e.0ACQ*Choose:d)Consumersurplusistheareabetweenthedemandlineandtheprice.8.InFigure1,holdingincomeconstant,whatchangemusthaveoccurredtorotatethebudgetline

7、fromtheoldline(1)tothenewline(2)?(1)(2)PizzaCokeFigure1a.ThepriceofCokefellb.Thepriceofpizzafellc.Thepriceofpizzarosed.ThepriceofCokewentupe.bandcChoose:b)Thehorizontalintercept,I/PC,isunchanged,which