国际经济学作业答案第三章.docx

国际经济学作业答案第三章.docx

《国际经济学作业答案第三章.docx》由会员分享，可在线阅读，更多相关《国际经济学作业答案第三章.docx（21页珍藏版）》请在冰豆网上搜索。

国际经济学作业答案第三章

1Chapter3LaborProductivityandComparativeAdvantage—TheRicardianModel

1⏹ MultipleChoiceQuestions

1.Countriestradewitheachotherbecausetheyare_______andbecauseof______.

（a）different,costs

（b）similar,scaleeconomies

（c）different,scaleeconomies

（d）similar,costs

（e）Noneoftheabove.

Answer:

C

2.Tradebetweentwocountriescanbenefitbothcountriesif

（a）eachcountryexportsthatgoodinwhichithasacomparativeadvantage.

（b）eachcountryenjoyssuperiortermsoftrade.

（c）eachcountryhasamoreelasticdemandfortheimportedgoods.

（d）eachcountryhasamoreelasticsupplyforthesuppliedgoods.

（e）Both（c）and（d）.

Answer:

A

3.TheRicardiantheoryofcomparativeadvantagestatesthatacountryhasacomparativeadvantage

inwidgetsif

（a）outputperworkerofwidgetsishigherinthatcountry.

（b）thatcountry’sexchangerateislow.

（c）wageratesinthatcountryarehigh.

（d）theoutputperworkerofwidgetsascomparedtotheoutputofsomeotherproductishigherinthatcountry.

（e）Both（b）and（c）.

Answer:

D

4.Inordertoknowwhetheracountryhasacomparativeadvantageintheproductionofoneparticularproductweneedinformationonatleast____unitlaborrequirements

（a）one

（b）two

（c）three

（d）four

（e）five

Answer:

D

5.Acountryengagingintradeaccordingtotheprinciplesofcomparativeadvantagegainsfromtradebecauseit

（a）isproducingexportsindirectlymoreefficientlythanitcouldalternatively.

（b）isproducingimportsindirectlymoreefficientlythanitcoulddomestically.

（c）isproducingexportsusingfewerlaborunits.

（d）isproducingimportsindirectlyusingfewerlaborunits.

（e）Noneoftheabove.

Answer:

B

6.Giventhefollowinginformation:

UnitLaborRequirements

Cloth

Widgets

Home

10

20

Foreign

60

30

（a）Neithercountryhasacomparativeadvantage.

（b）Homehasacomparativeadvantageincloth.

（c）Foreignhasacomparativeadvantageincloth.

（d）Homehasacomparativeadvantageinwidgets.

（e）Homehasacomparativeadvantageinbothproducts.

Answer:

B

7.IfitisascertainedthatForeignusesprison-slavelabortoproduceitsexports,thenhomeshould

（a）exportcloth.

（b）exportwidgets.

（c）exportbothandimportnothing.

（d）exportandimportnothing.

（e）Alloftheabove.

Answer:

A

8.IftheHomeeconomysufferedameltdown,andtheUnitLaborRequirementsineachoftheproductsquadrupled（thatis,doubledto30forclothand60forwidgets）thenhomeshould

（a）exportcloth.

（b）exportwidgets.

（c）exportbothandimportnothing.

（d）exportandimportnothing.

（e）Alloftheabove.

Answer:

A

9.IfwagesweretodoubleinHome,thenHomeshould:

（a）exportcloth.

（b）exportwidgets.

（c）exportbothandimportnothing.

（d）exportandimportnothing.

（e）Alloftheabove.

Answer:

A

10.Iftheworldequilibriumpriceofwidgetswere4Cloths,then

（a）bothcountriescouldbenefitfromtradewitheachother.

（b）neithercountrycouldbenefitfromtradewitheachother.

（c）eachcountrywillwanttoexportthegoodinwhichitenjoyscomparativeadvantage.

（d）neithercountrywillwanttoexportthegoodinwhichitenjoyscomparativeadvantage.

（e）bothcountrieswillwanttospecializeincloth.

Answer:

A

11.Giventhefollowinginformation:

NumberofUnitsProducedbyoneUnitofLabor

Cloth

Widgets

Home

10

20

Foreign

60

30

（a）Neithercountryhasacomparativeadvantage.

（b）Homehasacomparativeadvantageincloth.

（c）Foreignhasacomparativeadvantageincloth.

（d）Foreignhasacomparativeadvantageinwidgets.

（e）Homehasacomparativeadvantageinbothproducts.

Answer:

C

12.TheopportunitycostofclothintermsofwidgetsinForeignisifitisascertainedthatForeignusesprison-slavelabortoproduceitsexports,thenhomeshould

（a）exportcloth.

（b）exportwidgets.

（c）exportbothandimportnothing.

（d）exportandimportnothing.

（e）Alloftheabove.

Answer:

B

13.IfwagesweretodoubleinHome,thenHomeshould

（a）exportcloth.

（b）exportwidgets.

（c）exportbothandimportnothing.

（d）exportandimportnothing.

（e）Alloftheabove.

Answer:

B

14.Iftheworldequilibriumpriceofwidgetswere4Cloths,then

（a）bothcountriescouldbenefitfromtradewitheachother.

（b）neithercountrycouldbenefitfromtradewitheachother.

（c）eachcountrywillwanttoexportthegoodinwhichitenjoyscomparativeadvantage.

（d）neithercountrywillwanttoexportthegoodinwhichitenjoyscomparativeadvantage.

（e）bothcountrieswillwanttospecializeincloth.

Answer:

A

15.Iftheworldequilibriumpriceofwidgetswere40cloths,then

（a）bothcountriescouldbenefitfromtradewitheachother.

（b）neithercountrycouldbenefitfromtradewitheachother.

（c）eachcountrywillwanttoexportthegoodinwhichitenjoyscomparativeadvantage.

（d）neithercountrywillwanttoexportthegoodinwhichitenjoyscomparativeadvantage.

（e）bothcountrieswillwanttospecializeincloth.

Answer:

A

16.Inatwoproducttwocountryworld,internationaltradecanleadtoincreasesin

（a）consumerwelfareonlyifoutputofbothproductsisincreased.

（b）outputofbothproductsandconsumerwelfareinbothcountries.

（c）totalproductionofbothproductsbutnotconsumerwelfareinbothcountries.

（d）consumerwelfareinbothcountriesbutnottotalproductionofbothproducts.

（e）Noneoftheabove

Answer:

B

17.Asaresultoftrade,specializationintheRicardianmodeltendstobe

（a）completewithconstantcostsandwithincreasingcosts.

（b）completewithconstantcostsandincompletewithincreasingcosts.

（c）incompletewithconstantcostsandcompletewithincreasingcosts.

（d）incompletewithconstantcostsandincompletewithincreasingcosts.

（e）Noneoftheabove.

Answer:

B

18.Asaresultoftradebetweentwocountrieswhichareofcompletelydifferenteconomicsizes,specializationintheRicardian2X2modeltendstobe

（a）incompleteinbothcountries

（b）completeinbothcountries

（c）completeinthesmallcountrybutincompleteinthelargecountry

（d）completeinthelargecountrybutincompleteinthesmallcountry

（e）Noneoftheabove

Answer:

C

19.AnationengagingintradeaccordingtotheRicardianmodelwillfinditsconsumptionbundle

（a）insideitsproductionpossibilitiesfrontier.

（b）onitsproductionpossibilitiesfrontier.

（c）outsideitsproductionpossibilitiesfrontier.

（d）insideitstrade-partner’sproductionpossibilitiesfrontier.

（e）onitstrade-partner’sproductionpossibilitiesfrontier.

Answer:

C

20.IntheRicardianmodel,ifacountry’stradeisrestricted,thiswillcauseallexceptwhich?

（a）Limitspecializationandthedivisionoflabor.

（b）Reducethevolumeoftradeandthegainsfromtrade

（c）Causenationstoproduceinsidetheirproductionpossibilitiescurves

（d）Mayresultinacountryproducingsomeoftheproductofitscomparativedisadvantage

（e）Noneoftheabove.

Answer:

C

21.IfaverysmallcountrytradeswithaverylargecountryaccordingtotheRicardianmodel,then

（a）thesmallcountrywillsufferadecreaseineconomicwelfare.

（b）thelargecountrywillsufferadecreaseineconomicwelfare.

（c）thesmallcountryonlywillenjoygainsfromtrade.

（d）thelargecountrywillenjoygainsfromtrade.

（e）Noneoftheabove.

Answer:

C

22.IftheworldtermsoftradeforacountryaresomewherebetweenthedomesticcostratioofHandthatofF,then

（a）countryHbutnotcountryFwillgainfromtrade.

（b）countryHandcountryFwillbothgainfromtrade.

（c）neithercountryHnorFwillgainfromtrade.

（d）onlythecountrywhosegovernmentsubsidizesitsexportswillgain.

（e）Noneoftheabove.

Answer:

B

23.IftheworldtermsoftradeequalthoseofcountryF,then

（a）countryHbutnotcountryFwillgainfromtrade.

（b）countryHandcountryFwillbothgainfromtrade.

（c）neithercountryHnorFwillgainfromtrade.

（d）onlythecountrywhosegovernmentsubsidizesitsexportswillgain.

（e）Noneoftheabove.

Answer:

A

24.Iftheworldtermsoftradeequalthoseofcountry,Fthen

（a）countryHbutnotcountryFwillgainfromtrade.

（b）countryHandcountryFwillbothgainfromtrade.

（c）neithercountryHnorFwillgainfromtrade.

（d）onlythecountrywhosegovernmentsubsidizesitsexportswillgain.

（e）Noneoftheabove.

Answer:

E

25.Ifaproductionpossibilitiesfrontierisbowedout（concavetotheorigin）,thenproductionoccursunderconditionsof

（a）constantopportunitycosts.

（b）increasingopportunitycosts.

（c）decreasingopportunitycosts.

（d）infiniteopportunitycosts.

（e）Noneoftheabove.

Answer:

B

26.Iftheproductionpossibilitiesfrontierofonethetradepartners（“CountryA”）isbowedout（concavetotheorigin）,thenincreasedspecializationinproductionbythatcountrywill

（a）Increasetheeconomicwelfareofbothcountries.

（b）IncreasetheeconomicwelfareofonlyCountryA.

（c）DecreasetheeconomicwelfareofCountryA.

（d）DecreasetheeconomicwelfareofCountryB.

（e）Noneoftheabove.

Answer:

A

27.Iftwocountrieshaveidenticalproductionpossibilityfrontiers,thentradebetweenthemisnotlikelyif

（a）theirsupplycurvesareidentical.

（b）theircostfunctionsareidentical.

（c）theirdemandconditionsidentical.

（d）theirincomesareidentical.

（e）Noneoftheabove.

Answer:

E

28.Iftwocountrieshaveidenticalproductionpossibilityfrontiers,thentradebetweenthemisnotlikelyif

（a）theirsupplycurvesareidentical.

（b）theircostfunctionsareidentical.

（c）theirdemandfunctionsdiffer.

（d）theirincomesareidentical.

（e）Noneoftheabove.

Answer:

C

29.Theearlieststatementoftheprincipleofcomparativeadvan