国际经济学(双语)-第3章ppt课件.ppt

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1、ModernTradeTheoriesInternationalEconomicsChapter3Chapter3ModernTradeThoeries3.1ExistenceofIntraindustryTrade3.2Technologicalgap,ProductlifeCycleandInternationalTrade3.3TheoryofOverlappingDemands3.4EconomiesofScale,Imperfectcompetition,andInternationalTrade3.5ReciprocalDumping3.1Ex

2、istenceofIntraindustryTradeAdvancedindustrialcountrieshaveincreasinglyemphasizedintraindustrytrade—two-waytradeinasimilarcommodity.Intraindustrytradeinvolvesflowsofgoodswithsimilarfactorrequirements.countriesthatarenetexportersofmanufacturedgoodsembodyingsophisticatedtechnologyals

3、opurchasesuchgoodsfromothercountries.3.1ExistenceofIntraindustryTradeIntraindustryTradeintheU.S.,2002(inBillionofDollars)3.1ExistenceofIntraindustryTradeReasonsforIntraindustryTradeTransportationcostsSeasonalManufacturersineachcountryproduceforthe“majority”consumertasteswithinthei

4、rcountrywhileignoring“minority”consumertastesOverlappingdemandsegmentsintradingcountriesEconomiesofscaleChapter3ModernTradeThoeries3.1ExistenceofIntraindustryTrade3.2Technologicalgap,ProductlifeCycleandInternationalTrade3.3TheoryofOverlappingDemands3.4EconomiesofScale,Imperfectcom

5、petition,andInternationalTrade3.5ReciprocalDumping3.2TechnologicalGap,ProductLifeCycleandInternationalTradeTechnologicalgapisacauseofinternationaltradeanddeterminestheflowofinternationaltrade.3.2TechnologicalGap,ProductLifeCycleandInternationalTradeT0-T1:thestageofdemandlagthetime

6、lagfromtheinventionofnewproductsininnovatingcountriestotheacceptanceofimportingcountries.T0-T3:thestageofimitationlagthetimeintervalfromtheinventionofnewproductsininnovatingcountriestogenericproductionuntiltheimportiszero.T0-T2:thestageofresponselagthetimelagfromtheinventionofnewp

7、roductstoimitationofimportingcountries.T2-T3:thestageofgrasplagfromimitationtonoimportuntilthegenericproductioncanmeetdomesticdemandandturntoexport.T1-T3isthetradingperiodcausedbytechnologicalgap.3.2TechnologicalGap,ProductLifeCycleandInternationalTradeThetechnologicalgaptheoryexp

8、lainsthecausesoftradeamongdiffere