41.Whileincollege,JohnandBethanyeachbuyfivepackagesofmac-n-cheeseperweek.Aftertheygraduateandhavefull-timejobs,Johnbuyssixpackagesperweek,butBethanybuysonlytwopackagesperweek.Whenlookingatincomeelasticityofdemandformacncheese,John’s a.isnegative,andBethany’sispositive. b.ispositive,andBethany’sisnegative. c.iszero,andBethany’sapproachesinfinity. d.approachesinfinity,andBethany’siszero. 42.Whileincollege,MartyandLauraeachbuy15busticketspermonth.Aftertheygraduateandhavefull-timejobs,Martybuys0busticketspermonthandLaurabuys28busticketspermonth.Comparingincomeelasticityofdemandforbustickets,Marty’s a.isnegative,andLaura’sispositive. b.ispositive,andLaura’sisnegative. c.iszero,andLaura’sispositive. d.iszero,andLaura’sisnegative. 43.Assumethata4percentincreaseinincomeresultsina2percentincreaseinthequantitydemandedofagood.Theincomeelasticityofdemandforthegoodis a.negative,andthegoodisaninferiorgood. b.negative,andthegoodisanormalgood. c.positive,andthegoodisanormalgood. d.positive,andthegoodisaninferiorgood. 44.Assumethata4percentdecreaseinincomeresultsina6percentincreaseinthequantitydemandedofagood.Theincomeelasticityofdemandforthegoodis a.negative,andthegoodisaninferiorgood. b.negative,andthegoodisanormalgood. c.positive,andthegoodisaninferiorgood. d.positive,andthegoodisanormalgood. 45.Heath’sincomeelasticityofdemandforconcertsis2.Allelseequal,thismeansthatifhisincomeincreasesby10 a.2percentmoreconcerts. b.5percentmoreconcerts. c.10percentmoreconcerts. d.20percentmoreconcerts. 46.Whenherincomeincreasedfrom$10,000to$20,000,Heather’sconsumptionofmacaronidecreasedfrom10poundsto5poundsandherconsumptionofsoy-burgersincreasedfrom2poundsto4pounds.WecanconcludethatforHeather,macaroni a.andsoy-burgersarebothnormalgoodswithincomeelasticitiesequalto1. b.isaninferiorgoodandsoy-burgersarenormalgoods;bothhaveincomeelasticitiesof1. c.isaninferiorgoodwithanincomeelasticityof-1andsoy-burgersarenormalgoodswithanincomeelasticityof1. d.andsoy-burgersarebothinferiorgoodswithincomeelasticitiesequalto-1. 47.Foodandclothingtendtohave a.smallincomeelasticitiesbecauseconsumers,regardlessoftheirincomes,choosetobuyrelativelyconstantquantitiesofthesegoods. b.smallincomeelasticitiesbecauseconsumersbuyproportionatelymoreofbothgoodsathigherincomelevelsthantheybuyatlowincomelevels. c.largeincomeelasticitiesbecausetheyarenecessities. d.largeincomeelasticitiesbecausetheyarerelativelyinexpensive. 48.Charlespurchases20basketballticketsperyearwhenhisannualincomeis$50,000and25basketballticketswhenhisannualincomeis$60,000.Charles’sincomeelasticityofdemandforbasketballticketis a.0.82,andbasketballticketsareanormalgood. b.0.82,andbasketballticketsareaninferiorgood. c.1.22,andbasketballticketsareanormalgood. d.1.22,andbasketballticketsareaninferiorgood. 49.Tylerpurchases5poundsofhotdogspermonthwhenhismonthlyincomeis$2,000and4poundsofhotdogspermonth whenhis monthlyincome is$2,200.Tyler’sincomeelasticityofdemandforhotdogsis a.2.33,andhotdogsareanormalgood. b.-2.33,andhotdogsareaninferiorgood. c.0.43,andhotdogsareanormalgood. d.-0.43,andhotdogsareaninferiorgood. 50.Cross-priceelasticityofdemandmeasureshow a.thepriceofonegoodchangesinresponsetoachangeinthepriceofanothergood. b.thequantitydemandedofonegoodchangesinresponsetoachangeinthequantitydemandedofanothergood. c.thequantitydemandedofonegoodchangesinresponsetoachangeinthepriceofanothergood. d.stronglynormalorinferioragoodis.