Microeconomics课程试卷B

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1、Microeconomics课程试卷B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.

2、B.apointoftangencybetweenthebudgetlineandanindifferencecurve.C.thepointwheretheslopeoftheindifferencecurveequalstheratioofthequantities.D.apointwherethebudgetlinecutsthecurvefrombelow.3.Theslopeofthebudgetconstraintlineisequalto:A.theratioofmarginalutilities.B.theratioofmon

3、eyincometothepriceofthegoodonthehorizontalaxis.C.theratioofmoneyincometothepriceofthegoodontheverticalaxis.D.therelativepriceofthetwogoods—thepriceofonegoodcomparedwiththepriceoftheother.4.Assumethedemandcurveforcompactdiscsslopesdownwards,andthesupplycurveslopesupwards.Ift

4、hepriceofCDplayersdecreases,then:A.theequilibriumpriceofcompactdiscswillfallB.theequilibriumpriceofcompactdiscswillriseC.theequilibriumpriceofcompactdiscswillstaythesameD.Noneoftheabovearecorrect5.Implicitcostsare:A.thepaymentsmadetolabouronly.B.thepaymentsmadebythefirmtoot

5、hers.C.theopportunitycostofresourcesownedbythefirm.D.thesameasaccountingprofit.6.Whenmarginalcostisrising:A.averagevariablecostmayberisingorfalling.B.averagevariablecostmustbefalling.C．averagevariablecostmustberising.D.averagefixedcostmustberising.7.Economicprofitsforperfec

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

7、ceterisparibus),thenmilkandpicklesare(A)normalgoods.(B)inferiorgoods.(C)complementsinconsumption.(D)substitutesinconsumption.9.Supposethatallthefirmsinacompetitiveindustryhaveaccesstothesametechnologyandthatinputpricesarenotaffectedbythesizeoftheindustry.Iftheminimumvalueof

8、thelong-runaveragecostcurveis￡5,thenentryofnewfirmswilloccuruntilthemarketprice:A.