CFA课后习题:经济学.docx
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1、PRACTICEPROBLEMS1Ifthepriceelasticitycoefficientofthedemandcurveforpaperclipsisequalto-1,demandis:Aelastic.Binelastic.Cunitelastic.2Thedemandformembershipatalocalhealthclubisdeterminedbythefollowingequation:Q*=400-5PhwhereQrmisthenumberofhealthclubmembersandPisthepriceofhm尸membership.Ifthepriceofhea
2、lthclubmembershipis$35,thepriceelasticityofdemandisclosestto:A-0.778,B-0.500.c-0.438.3Priceelasticityofdemandforagoodwillmostlikelybegreaterif:Atherearenosubstitutesforthegood.Bconsumersconsiderthegoodasdiscretionary.Cconsumersspendasmallportionoftheirbudgetonthegood.4Iftheincomeelasticityofdemandfo
3、raproductis-0.6,a:A1%increaseinincomewillresultina0.6%increaseindemand.B1%increaseinincomewillresultina0.6%decreaseindemand.C0.6%increaseinincomewillresultina1%decreaseindemand.5Anindividuasdemandforonionsisgivenbythefollowingequation:Q=3-Q05Po+0.0091-Q16PlwhereQ:isthenumberofonionsdemanded,Pisthepr
4、iceperpoundofonions,1isthehouseholdincome,andPtisthepriceperpoundoftomatoes.IfthepriceofonionsisSI.25,householdincomeis$2,500,andthepriceoftomatoesis$3.75,thecross-priceelasticityofdemandforonionswithrespecttothepriceoftomatoesisclosestto:A-1.0597.B-0.0242.C-0.008L6Movementalongthedemandcurveforgood
5、Xoccursduetoachangein:Aincome.BthepriceofgoodX.CthepriceofasubstituteforgoodX.2017CFAInstitute.Allrightsreserved.7Awirelessphonemanufacturerintroducedanext-generationphonethatreceivedahighlevelofpositivepublicity.Despiterunningseveralhigh-speedproductionassemblylines,themanufacturerisstillfallingsho
6、rtinmeetingdemandforthephoneninemonthsafterintroduction.Whichofthefollowingstatementsisthemostplausibleexplanationforthedemand/SUPPIyimbalance?AThephonepriceislowrelativetotheequilibriumprice.BCompetitorsintroducednext-generationphonesatasimilarprice.IConsumerincomesgrewfasterthanthemanufactureranti
7、cipated.ThefolhwinginformationrelatestoQuestions8-11Themarketdemandfunctionforfour-yearprivateuniversitiesisgivenbytheequation=84-3.1P+0.81+0.9P修PrprPUwhereQ;isthenumberofapplicantstoprivateuniversitiesperyearinthousands,Ppristheaveragepriceofprivateuniversities(inthousandsofUSD),Iisthehouseholdmont
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