61.Ifthecross-priceelasticityofdemandfortwogoodsis1.25,then a.thetwogoodsareluxuries. b.thetwogoodsaresubstitutes. c.oneofthegoodsisnormalandtheothergoodisinferior. d.thedemandforoneofthegoodsconformstothelawofdemand,butthedemandfortheothergoodviolatesthelawofdemand. 62.Ifthecross-priceelasticityofdemandfortwogoodsis-4.5,then a.thetwogoodsaresubstitutes. b.thetwogoodsarecomplements. c.oneofthegoodsisnormalwhiletheothergoodisinferior. d.oneofthegoodsisaluxurywhiletheothergoodisanecessity. 63.SupposethatwhenthepriceofgoodXincreasesfrom$800to$850,thequantitydemandedofgoodYincreasesfrom65to70.Usingthemidpointmethod,thecrosspriceelasticityofdemandisabout a.-1.2,andXandYarecomplements. b.-0.1,andXandYarecomplements. c.0.1,andXandYaresubstitutes. d.1.2,andXandYaresubstitutes. 64.Lastmonth,sellersofgoodYtookin$100intotalrevenueonsalesof50unitsofgoodY.ThismonthsellersofgoodYraisedtheirpriceandtookin$120intotalrevenueonsalesof40unitsofgoodY.Atthesametime,thepriceofgoodXstayedthesame,butsalesofgoodXincreasedfrom20unitsto40units.WecanconcludethatgoodsXandYare a.substitutes,andhaveacross-priceelasticityof0.60. b.complements,andhaveacross-priceelasticityof-0.60. c.substitutes,andhaveacross-priceelasticityof1.67. d.complements,andhaveacross-priceelasticityof-1.67. 65.SupposethatwhenthepriceofgoodXfallsfrom$10to$8,thequantitydemandedofgoodYrisesfrom20unitsto25units.Usingthemidpointmethod,thecross-priceelasticityofdemandis a.-1.0,andXandYarecomplements. b.-1.0,andXandYaresubstitutes. c.1.0,andXandYarecomplements. d.1.0,andXandYaresubstitutes. 66.SupposethatwhenthepriceofgoodXfallsfrom$6to$4,thequantitydemandedofgoodYrisesfrom30unitsto40units.Usingthemidpointmethod,thecross-priceelasticityofdemandis a.-0.71,andXandYarecomplements. b.-1.40,andXandYarecomplements. c.-0.71,andXandYaresubstitutes. d.-1.40,andXandYaresubstitutes. 67.Supposethecross-priceelasticityofdemandbetweenhotdogsandmustardis-2.00.Thisimpliesthata20percentincreaseinthepriceofhotdogswillcausethequantityofmustardpurchasedto a.fallby200percent. b.fallby40percent. c.riseby200percent. d.riseby40percent. 68.Supposethecross-priceelasticityofdemandbetweenpeanutbutterandjellyis-2.50.Thisimpliesthata20percentincreaseinthepriceofpeanutbutterwillcausethequantityofjellypurchasedto a.fallby8percent. b.fallby50percent. c.riseby8percent. d.riseby50percent. 69.Maddypurchases2poundsofbeansand3poundsofricepermonthwhenthepriceofbeansis$2perpound.Shepurchases1poundsofbeansand4poundsofricepermonthwhenthepriceofbeansis$3perpound.Maddy’scross-priceelasticityofdemandforbeansandriceis a.0.71,andtheyaresubstitutes. b.-0.71,andtheyarecomplements. c.1.4,andtheyaresubstitutes. d.-1.4,andtheyarecomplements. 70.RefertoScenario5-1.WhatcanyoudeduceaboutthetypeofgoodPatty’sPizzaisandabouttherelationshipbetweenPatty’sPizzaandSue’sSubs? a.Patty’sPizzaisanormalgoodandPatty’sPizzaandSue’sSubsaresubstitutes. b.Patty’sPizzaisanormalgoodandPatty’sPizzaandSue’sSubsarecomplements. c.Patty’sPizzaisaninferiorgoodandPatty’sPizzaandSue’sSubsaresubstitutes. d.Patty’sPizzaisaninferiorgoodandPatty’sPizzaandSue’sSubsarecomplements. 71.RefertoScenario5-1.Usingthemidpointmethod,whatistheincomeelasticityofdemandforpizzaandwhatdoesthevalueindicateaboutthedemandforpizza? a.Theincomeelasticityis0.18sopizzaisanormalgood. b.Theincomeelasticityis-1sopizzaisaninferiorgood. c.Theincomeelasticityis1sopizzaisunitaryelastic. d.Theincomeelasticityis1sopizzaisanormalgood. 72.RefertoScenario5-1.Usingthemidpointmethod,thecrosspriceelasticityofdemandis a.about0.22,andthetwogoodsaresubstitutes. b.about-0.005,andthetwogoodsarecomplements. c.1,andthetwogoodsaresubstitutes. d.1,andthetwogoodsareunitaryelastic. 73.RefertoScenario5-2.Usingthemidpointmethod,ifthepriceofgoodXisconstantat$10andthepriceofgoodYdecreasesfrom$10to$8,thecrosspriceelasticityofdemandisabout a.0.57,andXandYaresubstitutes. b.-0.22,andXandYarecomplements. c.-0.80,andXandYarecomplements. […]