克魯格曼-教材《國際經濟學》(國際金融)習題答案要點1

1、中華經濟學習網官方網站：圣才學習網中華經濟學習網官方網站：圣才學習網Chapter21Homehas1200unitsoflabavailable.Itcanproducetwogoodsapplesbananas.Theunitlabrequirementinappleproductionis3whileinbananaproductionitis2.aGraphouttheproductionpossibilitiesfrontie

2、r:bWhatistheopptunitycostofapplesintermsofbananas5.1?LbLaaacIntheabsenceoftradewhatwouldthepriceofapplesintermsofbananasbeIntheabsenceoftradesincelabistheonlyfactofproductionsupplydecisionsaredeterminedbytheattemptsofind

3、ividualstomaximizetheirearningsinacompetitiveeconomyonlywhenwillbothgoodsbeproduced.SoLbLabaaaPP?1.5PPba?2Homeisasdescribedinproblem1.ThereisnowalsoanothercountryFeignwithalabfceof800.Feign’sunitlabrequirementinappleprod

4、uctionis5whileinbananaproductionitis1.aGraphFeign’sproductionpossibilitiesfrontier:bConstructthewldrelativesupplycurve.HomesPPF0200400600800200400600800QappleQbananaFeignsPPF0200400600800100080160240320400QappleQbanana中華

5、經濟學習網官方網站：圣才學習網中華經濟學習網官方網站：圣才學習網∴2?bPaPeecDescribethepatternoftrade.∵babeaebaPPPPPP????∴InthistwocountrywldHomewillspecializeintheappleproductionexptapplesimptbananas.Feignwillspecializeinthebananaproductionexptbananasim

6、ptapples.dShowthatbothHomeFeigngainfromtrade.InternationaltradeallowsHomeFeigntoconsumeanywherewithinthecoledlineswhichlieoutsidethecountries’productionpossibilityfrontiers.theindirectmethodspecializinginproducingonlyone

7、productionthentradewithothercountryisameefficientmethodthandirectproduction.IntheabsenceoftradeHomecouldgainthreebananasbyfegoingtwoapplesFeigncouldgainbyonefegoingfivebananas.Tradeallowseachcountrytotradetwobananasfonea

8、pple.HomecouldthengainfourbananasbyfegoingtwoappleswhileFeigncouldgainoneapplebyfegoingonlytwobananas.SobothHomeFeigngainfromtrade.4Supposethatinsteadof1200wkersHomehad2400.Findtheequilibriumrelativeprice.Whatcanyousayab