南开春学期《初级微观经济学》在线作业（nankai spring semester elementary micro economics online homework）

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1、南开12春学期《初级微观经济学》在线作业（Nankai12springsemesterelementarymicroeconomicsonlinehomework）12springsemesterelementarymicroeconomicsonlinehomework1.inaperfectlycompetitivemarket,thelong-runsupplycurveoftheindustrydependson()TrajectoryofthelowestpointofA.SACcurveTrajectoryofthel

2、owestpointofB.SMCcurveTrajectoryofthelowestpointofC.LACcurveTrajectoryofthelowestpointofD.LMCcurveThecorrectanswer:AFullScore:2points:22.theexistenceofaneconomicactivityreferstotheexternaleconomyA.privatecostisgreaterthansocialcostB.privatecostislessthansocialcostC.pr

3、ivateinterestsoutweighsocialbenefitsD.privateinterestsarelessthansocialinterestsThecorrectanswer:DFullScore:2points:23."scarcity"ineconomicsrefersto()A.mostofthethingsintheworldarescarceB.isalwaysshortofresourcesrelativetoresourcerequirementsC.useresourcesmustconsider

4、thenextgenerationD.theworld'sresourceswilleventuallybeconsumedbymankind.Thecorrectanswer:BFullScore:2points:24.whichofthefollowingismostlikelytocausetheproductionpossibilitycurvetomoveoutward(?)A.consumergoodsproductionincreased,capitalgoodsproductiondecreasedB.availa

5、bility,resourceincreaseortechnologicalprogressC.inflationD.unemployment.Thecorrectanswer:BFullScore:2points:25.whentheindividualdemandcurveofacommodityisobtained,thefollowingfactorsremainconstantexceptforwhichone.()A.personalincomeB.pricesofothergoodsC.personalprefere

6、nceD.'sownprice.Thecorrectanswer:DFullScore:2points:26.thereasonwhythelong-runmarginalcostcurveisUtypeisthat.TheproductionofA.firmsvariesfromeconomiesofscaletodiseconomiesofscaleDiminishinglawofmarginalutilityofB.C.productionlawD.vendorscanregulatelong-termcostsThecor

7、rectanswer:AFullScore:2points:27.ifthedemandforleisureincreases()A.wageratewillrise,theamountoflaboremploymentwilldecreaseB.wageratewillrise,theamountoflaboremploymentwillincreaseC.wageratewilldecline,laboremploymentwillbereducedD.wageratewilldecline,laboremploymentwi

8、llincreaseThecorrectanswer:AFullScore:2points:28.Engelcurvederivedfrom()A.priceconsumptioncurveB.incomeconsumptioncurveC.dem