Microeconomics课程试卷A

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1、Microeconomics课程试卷A一、选择题：（共15小题，每小题2分，共30分）1.AGiffengood:A.hasanupward-slopingdemandcurve.B.hasadownward-slopingdemandcurve.C.hasahorizontaldemandcurve.D.hasaverticaldemandcurve.2.Theconsumeroptimumoccursat:A.anypointofintersectionbetweenthebudgetlineandanindifferencecurve.B.apointoftangen

2、cybetweenthebudgetlineandanindifferencecurve.C.thepointwheretheslopeoftheindifferencecurveequalstheratioofthequantities.D.apointwherethebudgetlinecutsthecurvefrombelow.3.Theslopeofthebudgetconstraintlineisequalto:A.theratioofmarginalutilities.B.theratioofmoneyincometothepriceofthegoodonthe

3、horizontalaxis.C.theratioofmoneyincometothepriceofthegoodontheverticalaxis.D.therelativepriceofthetwogoods—thepriceofonegoodcomparedwiththepriceoftheother.4.Assumethedemandcurveforcompactdiscsslopesdownwards,andthesupplycurveslopesupwards.IfthepriceofCDplayersdecreases,then:A.theequilibriu

4、mpriceofcompactdiscswillfallB.theequilibriumpriceofcompactdiscswillriseC.theequilibriumpriceofcompactdiscswillstaythesameD.Noneoftheabovearecorrect5.Implicitcostsare:A.thepaymentsmadetolabouronly.B.thepaymentsmadebythefirmtoothers.C.theopportunitycostofresourcesownedbythefirm.D.thesameasac

5、countingprofit.6.Whenafirm'scostcurvesexhibiteconomiesofscale:A.thelong-runaveragecostcurveishorizontal.B.thelong-runaveragecostcurveisdownward-sloping.C.thelong-runaveragecostcurveisupward-sloping.D.thelong-runaveragecostequalstheshort-runaveragecostforalllevelsofoutput.7.Economicprofitsf

6、orperfectlycompetitivefirms:A.willcontinueinthelongrunforafewefficientfirms.B.willshifttheindustrydemandfunctionrightward.C.willattractnewfirmsintotheindustryinthelongrun.D.willresultinanincreaseinlong-runequilibriumprice.8.Ifthedemandformilkincreaseswhenthepriceofpicklesincreases(ceterisp

7、aribus),thenmilkandpicklesare(A)normalgoods.(B)inferiorgoods.(C)substitutesinconsumption.(D)complementsinconsumption.9.Thequantitythatafirmiswillingandabletoproduceandmakeavailableforsaleateachpossibleprice(inaseriesofprices)isrepresentedbythe(A)demandcurve.(B