管理经济学第2次作业

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1、ManagerialEconomicsHOMEWORKSET#2Name:Class:Student#:(Dueday:Nextclass)Part1:1-ThepriceofgoodAgoesup.AsaresultthedemandforgoodBshiftstotheleft.Fromthiswecaninferthat:a.goodAisanonnalgood.b.goodBisaninferiorgood.c.goodsAemdBarcsubstitutes.d.goodsAandBareco

2、mplements.e.noneoftheabove.2.Joe"sbudgetlineis15F+45C=900.WhenJoechooseshismostpreferredmarketbasket,hebuys10unitsofC.therefore,healsobuys:a.10unitsofFb.30unitsofFc.50unitsofFd.60unitsofFe.Noneoftheabove3.Kimonlybuyscoffeeandcompactdiscs.Coffeecosts$0.60

3、percup,andCDscost$12.00each.Shehas$18perweektospendonthesetwogoods.IfKimismaximizingherutility,hermarginalrateofsubstitutionofcoffeeforCDsis:a.0.05b.20c.18d.1.50e.Noneoftheabove4.Thebandwagoneffectcorrespondsbesttowhichofthefollowing?a.snobeffect・b.exter

4、naleconomy.c.negativenetworkexternality.d.positivenetworkexternality.5.AGiffengooda.isalwaysthesameasaninferiorgood.b.isthespecialsubsetofinferiorgoodsinwhichthesubstitutioneffectdominatestheincomeeffect.c.isthespecialsubsetofinfcriorgoodsinwhichtheincom

5、eeffectdominatesthesubstitutioneffect.d.musthaveadownwardslopingdemandcurve.6.AnEngelcurveforagoodhasapositiveslopeifthegoodis:a.aninfcriorgood.b.aGiffengood.c.anormalgood.d.a,b,andcaretrue.e.Noneoftheaboveistrue.7.Thepriceofbeefandquantityofbeeftradedar

6、eP*andQ*,respectively.Giventhisinformation,consumersurplusisthearea:PriceBeef(UnitsperWeek)a.OBCQ*b.ABCc.ACP*d.CBP*e.OACQ*8.InFigure1,holdingincomeconstant,torotatethebudgetlinefromtheoldwhatchangemusthaveoccurredline(1)tothenewline(2)?PizzaCokea.b.c.d.T

7、heTheTheThepricepricepricepriceofofofofCokefellpizzafellpizzaroseCokewentupe.bandc9.Andybuys10poundsofonionspermonthwhenthepriceis$0.75perpound.Ifthepricefallsto$0.50perpound,hebuys30poundsofonions.Whatishisarcelasticityofdemandoverthispricerange?a.-1.33

8、b.-2c.一2.5d.-6e.Noneoftheaboveiscorrect.Thenexttwoquestionsrefertothefollowinginformation:OpieandGomeraretheonlytwoconsumersinthevideocassetterentalmarketintheMayberry.TheirdemandcurvesperweekarepicturedinFigure2.10.Ifrent