ccer-国际贸易-第四次作业答案

精选优质文档-----倾情为你奉上精选优质文档-----倾情为你奉上专心---专注---专业专心---专注---专业精选优质文档-----倾情为你奉上专心---专注---专业SolutiontoHomework41.Producingprocessesareintwocountries.Awillexport5computersand10food,whileBwillexport15computersand8food.CalculatetheRCAofcomputerincountryA.2.FTA和关税同盟的区别是什么？对关税同盟而言，原产地原则是否重要？为何或为何不是？Answer:Unlikeacustomsunion,membersofafreetradeareadonothaveacommonexternaltariff(samepolicieswithrespecttonon-members),meaningdifferentquotasandcustoms.The“RuleofOrigin”isimportant.Toavoidevasion(throughre-exportation)thecountriesusethisrule,asystemofcertificationoforiginwherethereisarequirementfortheminimumextentoflocalmaterialinputsandlocaltransformationsaddingvaluetothegoods.Goodsthatdon'tcovertheseminimumrequirementsarenotentitledforthespecialtreatmentenvisionedinthefreetradeareaprovisions.

2.（产品外包）世界有两个国家，本国和外国，外国的变量加*表示。本国低技术劳动力相对丰富，外国高技术劳动力和资本相对丰富。两国的相对劳动供给是不变的，，，分别代表本国高技术劳动力、低技术劳动力的工资和资本回报。产品连续分布在0到1之间，，是两国分工的临界点。高技术劳动力和低技术劳动力相对需求曲线为(1)假定单位成本是的函数，，。画图并且计算本国生产的产品的区间。Answer:(2)分别计算两国高技术劳动力和低技术劳动力的相对工资，并画图分析。Answer:(3)现在假设资本可以在两国之间自由流动，使得本国产品的单位成本下降0.005，外国产品的单位成本上升0.005，本国生产的产品会增加还是减少？计算本国生产的产品的区间并且画图分析。Answer:thegoodsthathomecountryspecializeswillincrease(4)分别计算新均衡下的两国高技术劳动力和低技术劳动力的相对工资，并画图分析。4.RecallthematrixinthePPT.Here,anumberisassignedtorepresentthewelfarelevelofeachoutcomeforHomeandForeign.a.ForeignRegulateDon’tregulateHomeRegulate(80,80)(50,100)Don’tregulate(100,50)(70,70)Inthematrix,(x,y)meansthatHome’sbenefitisx,whileForeigngetsy.WhatistheNashequilibriumforthisenvironmentalgame?Isitaprisoner’sdilemma?Brieflyexplain.b.ForeignRegulateDon’tregulateHomeRegulate(70,70)(70,50)Don’tregulate(50,70)(50,50)WhatistheNashequilibriumforthisenvironmentalgame?Isitaprisoner’sdilemma?Brieflyexplain.Notethatintheformersituation,thegovernmentputsmoreweightonproducerprofitsthanconsumerwell-beingwhencalculatingwelfare.Incontrast,thegovernmentputsmoreweightonconsumerwell-beingthanproducerprofitswhencalculatingwelfare.Ans:a.ForeignRegulateDon’tregulateHomeRegulate(70,70)(70,100)Don’tregulate(100,50)(70,70)ThustheNashEquilibriumis(Don’tregulate,Don’tregulate),whichisaprisoner’sdilemma.Forexplanation,youneedtostatewhatprisoner’sdilemmais.b.ForeignRegulateDon’tregulateHomeRegulate(70,70)(70,50)Don’tregulate(50,70)(50,50)ThustheNashEquilibriumis(Regulate,Regulate),whichisnotaprisoner’sdilemma.注意：（70，70）是均衡结果，而不是NE。5. TheclothingindustryincountryAandBfacecournotcompetition.P=b-aZ,Z=x+y(nodomesticbusinessassumption),xistheexportquantityofB,yistheexportquantityofA.ThemarginalcostforAisC1,forBisC2（C1andC2areconstant）CalculatethefirstorderconditionoftheprofitinAandBindustries.(thef.o.c.yousolvedarealsocalledtheresponsefunction)πAπBIncournotcompetition,theequilibriumisNashequilibrium,whichmeanseachindustryproducestheproperquantitywhichwillmaximizeitsprofitwhiletakingtheotherindustryproducingtheproperquantityasgiven(theintersectionofresponsefunction),givemetheequilibriumsolution(quantitiesandprofit).均衡时，y=y*x=x*y=(b+c2-2c1)/3ax=(b+c1-2c2)/3aπA=πB=IfthegovernmentincountryAputimporttariffonB,thismeansthemarginalcostofBproductionincreasefromC2toC2+t,solvetheresponsefunctionagainandgivemethenewequilibriumsolution(quantitiesandprofit)2ay*=b-c1-ax2ax*=b-c2-t-ayy=(b+c2+t-2c1)/3ax=(b+c1-2c2-2t)/3aπA=πB=Ifb=9,a=1,C1=2，C2=1，t=1，calculate