尼科尔森微经练习题 (10).pdf

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1、Chapter12GeneralEquilibriumandWelfare160.If,inagiveneconomy,productionistakingplaceatapointinsidetheproductionpossibilityfrontier,a.resourceallocationistechnicallyandallocativelyefficient.b.resourceallocationistechnicallyefficientbutallocativelyinefficient.c.r

2、esourceallocationistechnicallyinefficientandallocativelyefficient.*d.resourceallocationistechnicallyandallocativelyinefficient.161.Anallocationofresourcesistechnicallyefficientifa.itisimpossibletoincreasetheoutputofaparticulargood.b.itispossibletoincreasetheou

3、tputofallgoods.*c.itisimpossibletoincreasetheoutputofonegoodwithoutcuttingbackontheproductionofsomethingelse.d.itispossibletoincreasetheoutputofonegood.162.Consideratwo-goodproductioneconomyinwhichbothgoodsareproducedwithfixedproportionsproductionfunctions.The

4、n,someefficientallocationswillexhibitunemploymentofsomefactorproviding*a.thefirmsusetheinputsindifferentproportions.b.thefirmsexhibitdiminishingreturnstoscale.c.thefirmsexhibitincreasingreturnstoscale.d.productioncanneverbeefficientifthereareunemployedinputs.1

5、63.Supposetwogoods(xandy)arebeingproducedefficientlyandthattheproductionofxisalwaysmorelaborintensivethantheproductionofy.Productiondependsonlyontwofactors(capitalandlabor);thesemaybesmoothlysubstitutedforeachother.Thetotalquantitiesoftheseinputsarefixed.Aninc

6、reaseintheproductionofxandadecreaseintheproductionofywill*a.increasethecapital-laborratioineachfirm.b.decreasethecapital-laborratioineachfirm.c.leavethecapital-laborratioforeachfirmunchanged.d.increasethecapital-laborratioinyproductionanddecreasethecapital-lab

7、orratioinxproduction.164.Anefficientallocationofproductiveinputsrequiresthat*a.eachoutputhasthesamerateoftechnicalsubstitutionamonginputsused.b.eachoutputhasthesamemarginalrateofsubstitutionforconsumers.c.eachpairofoutputshasthesamerateofproducttransformation.

8、d.eachindividualhasthesamemarginalrateofsubstitutionbetweenoutputs.165.Theslopeoftheproductionpossibilityfrontiershowsa.themarginalrateofsubstitutionbetweenthetwogoods.*b.therelati