chap2中级宏观经济学答案--华中科技大学.doc

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1、Microeconomics,4e(Perloff)Chapter2SupplyandDemand2.1Demand1)AccordingtotheLawofDemand,thedemandcurveforagoodwillA)shiftleftwardwhenthepriceofthegoodincreases.B)shiftrightwardwhenthepriceofthegoodincreases.C)slopedownward.D)slopeupward.Answer:CTopic:Demand2)Ani

2、ncreaseinthepriceofporkwillleadtoA)amovementupalongthedemandcurve.B)amovementdownalongthedemandcurve.C)arightwardshiftofthedemandcurve.D)aleftwardshiftofthedemandcurve.Answer:ATopic:Demand3)AnincreaseinconsumerincomeswillleadtoA)arightwardshiftofthedemandcurve

3、forplasmaTVs.B)amovementupwardalongthedemandcurveforplasmaTVs.C)arightwardshiftofthesupplycurveforplasmaTVs.D)nochangeofthedemandcurveforplasmaTVs.Answer:ATopic:Demand4)ConsiderthedemandfunctionQd=150-2P.TheeffectsofotherdeterminantsofQdisreflectedinA)theinter

4、ceptofthefunction.B)theslopeofthefunction.C)neithertheslopenortheinterceptofthefunction.D)inboththeslopeandtheinterceptofthefunction.Answer:ATopic:Demand5)Considerthedemandfunctions:A)Qd=250-2PB)Qd=300-3P.Whichofthedemandfunctionsreflectsahigherlevelofconsumer

5、incomes?A)AB)BC)AandBreflectthesameconsumerincomes.D)Moreinformationisneeded.Answer:DTopic:Demand6)Holdingallotherfactorsconstant,consumersdemandmoreofagoodtheA)higheritsprice.B)loweritsprice.C)steeperthedownwardslopeofthedemandcurve.D)steepertheupwardslopeoft

6、hedemandcurve.Answer:BTopic:Demand267)Asthepriceofagoodincreases,thechangeinthequantitydemandedcanbeshownbyA)shiftingthedemandcurveleftward.B)shiftingthedemandcurverightward.C)movingdownalongthesamedemandcurve.D)movingupalongthesamedemandcurve.Answer:DTopic:De

7、mand8)Ifthepriceofautomobilesweretoincreasesubstantially,thedemandcurveforgasolinewouldmostlikelyA)shiftleftward.B)shiftrightward.C)becomeflatter.D)becomesteeper.Answer:ATopic:Demand9)Ifthepriceofautomobilesweretodecreasesubstantially,thedemandcurveforautomobi

8、leswouldmostlikelyA)shiftrightward.B)shiftleftward.C)remainunchanged.D)becomesteeper.Answer:CTopic:Demand10)Ifthepriceofautomobilesweretodecreasesubstantially,thedemandcurveforpubl