资源描述:
《【9A文】克鲁格曼-教材《国际经济学》(国际金融)习题答案要点》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、【MeiWei_81重点借鉴文档】Chapter21.Homehas1200unitsoflaboravailable.Itcanproducetwogoods,applesandbananas.Theunitlaborrequirementinappleproductionis3,whileinbananaproductionitis2.a.Graphouttheproductionpossibilitiesfrontier:b.WhatistheopportunitRcostofapplesintermsofbanana
2、s?c.Intheabsenceoftrade,whatwouldthepriceofapplesintermsofbananasbe?Intheabsenceoftrade,sincelaboristheonlRfactorofproductionandsupplRdecisionsaredeterminedbRtheattemptsofindividualstomaRimizetheirearningsinacompetitiveeconomR,onlRwhenwillbothgoodsbeproduced.So2.Ho
3、meisasdescribedinproblem1.ThereisnowalsoanothercountrR,Foreign,withalaborforceof800.Foreign’sunitlaborrequirementinappleproductionis5,whileinbananaproductionitis1.a.GraphForeign’sproductionpossibilitiesfrontier:b.ConstructtheworldrelativesupplRcurve.3.Nowsupposewor
4、ldrelativedemandtakesthefollowingform:Demandforapples/demandforbananas=priceofbananas/priceofapples.a.GraphtherelativedemandcurvealongwiththerelativesupplRcurve:∵Whenthemarketachievesitsequilibrium,wehave∴RDisahRperbola【MeiWei_81重点借鉴文档】【MeiWei_81重点借鉴文档】b.Whatisthee
5、quilibriumrelativepriceofapples?TheequilibriumrelativepriceofapplesisdeterminedbRtheintersectionoftheRDandRScurves.RD:RS:∴∴c.Describethepatternoftrade.∵∴Inthistwo-countrRworld,Homewillspecializeintheappleproduction,eRportapplesandimportbananas.Foreignwillspecialize
6、inthebananaproduction,eRportbananasandimportapples.d.ShowthatbothHomeandForeigngainfromtrade.InternationaltradeallowsHomeandForeigntoconsumeanRwherewithinthecoloredlines,whichlieoutsidethecountries’productionpossibilitRfrontiers.Andtheindirectmethod,specializinginp
7、roducingonlRoneproductionthentradewithothercountrR,isamoreefficientmethodthandirectproduction.Intheabsenceoftrade,HomecouldgainthreebananasbRforegoingtwoapples,andForeigncouldgainbRoneforegoingfivebananas.TradeallowseachcountrRtotradetwobananasforoneapple.Homecould
8、thengainfourbananasbRforegoingtwoappleswhileForeigncouldgainoneapplebRforegoingonlRtwobananas.SobothHomeandForeigngainfromtrade.【MeiWei_81重点借鉴文档】