西交《微观经济学》在线作业答案（western microeconomics online job answer）

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1、西交《微观经济学》在线作业答案（Westernmicroeconomicsonlinejobanswer）WesternmicroeconomicsonlineTotalscore:100testtime:--testscore:100SingletopicselectionMultiplechoice(35testquestions,70points.)Score:701.AnenterpriseUSESavariableelementoflabor,andifthepriceoftheproductsproducedbytheenterpriseisinc

2、reased(acompletelycompetitiveproductmarket),itwillcause:A.ThemarginalproductvalueofeachunitoflaboroftheenterpriseincreasesB.ThedecreaseintheamountoflaborinputusedbyenterprisesC.ThemarginalproductionofeachunitoflaboroftheenterprisedecreasesD.theproductionofenterprisesdecreased.Afulls

3、core:2points:22.Inthegeneralequilibriummodel,thesupplyoftheproductdependsonthewageandinterestrate,because().A.ThecostoftheseinputsaffectsthecostB.theincomeofthefamilyisaffectedbythechangeofsalaryandinterestrateC.familiescanexchangetheirsparetimeorfutureconsumptioninexchangeforexisti

4、ngproductsD.ThedemandforcapitaldependsonthewagerateAfullscore:2points:2Wheneconomistspayattentiontothewelfarestateofallmembersoftheeconomy,whichofthefollowingconceptsdotheyuse?().TheefficiencyofA.B.productivityC.RealwagesD.Nominalwages.Afullscore:2points:2Aworkerearns$80aweekfor$2an

5、hourandmakes$105aweekfor$3anhour,therebydetermining()A.incomeeffectplaysAmajorroleB.SubstitutioneffectsplayamajorroleC.TheincomeeffectandthesubstitutioneffecthavenotworkedD.Can'tbesure.Afullscore:2points:2Monopoliesreduceeconomicefficiencybecause().A.Whentheprofitmaximizes,thetotalr

6、evenueexceedsthetotalcostB.Whentheprofitmaximizes,thepriceexceedsthemarginalcost.C.Whenprofitmaximization,marginalrevenueexceedsmarginalcostD.Whentheprofitmaximization,themarginalcostexceedsthemarginalrevenueE.whenprofitmaximizes,marginalrevenueequalsmarginalcost.A:Bfullscore:2point

7、s:26.Whenthepriceofconsumergoodschanges,thelinethatconnectstheequilibriumpointsoftheconsumeriscalled().A.Income--consumptioncurveB.demandcurveC.Price--consumptioncurveD.EngelcurvesScore:27.Ifanindifferencecurveisahorizontalline,thisindicatesthattheconsumerisalreadysaturatedwith()con

8、sumption.(letXbemea