聚合工业生产率对产业内贸易的影响【外文翻译】

《聚合工业生产率对产业内贸易的影响【外文翻译】》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、外文翻译原文THEIMPACTOFTRADEONINTRA-INDUSTRYREALLOCATIONSANDAGGREGATEINDUSTRYPRODUCTIVITYMaterialSource:Econometrica,Vol.71,No.6(Nov.,2003),pp.1695-1725Author:BYMARCJ.MELITZ1Thispaperdevelopsadynamicindustrymodelwithheterogeneousfirmstoanalyzetheintra-industryeffectsofinternationaltrade.Them

2、odelshowshowtheexposuretotradewillinduceonlythemoreproductivefirmstoentertheexportmarket(whilesomelessproductivefirmscontinuetoproduceonlyforthedomesticmarket)andwillsimul-taneouslyforcetheleastproductivefirmstoexit.Itthenshowshowfurtherincreasesintheindustry'sexposuretotradeleadtoaddi

3、tionalinter-firmreallocationstowardsmoreproductivefirms.Thepaperalsoshowshowtheaggregateindustryproductivitygrowthgeneratedbythereallocationscontributestoawelfaregain,thushighlightingabenefitfromtradethathasnotbeenexaminedtheoreticallybefore.ThepaperadaptsHopenhayn's(1992a)dynamicindus

4、trymodeltomonopolisticcompetitioninageneralequilibriumsetting.Insodoing,thepaperprovidesanextensionofKrugman's(1980)trademodelthatincorporatesfirmlevelproductivitydifferences.Firmswithdifferentproductivitylevelscoexistinanindustrybecauseeachfirmfacesinitialuncertaintycon-cerningitsprod

5、uctivitybeforemakinganirreversibleinvestmenttoentertheindustry.Entryintotheexportmarketisalsocostly,butthefirm'sdecisiontoexportoccursafteritgainsknowledgeofitsproductivity.KEYWORDS:Intra-industrytrade,firmheterogeneity,firmdynamics,selection.1.INTRODUCTIONRECENTEMPIRICALRESEARCHusingl

6、ongitudinalplantorfirm-leveldatafromseveralcountrieshasoverwhelminglysubstantiatedtheexistenceoflargeandpersistentproductivitydifferencesamongestablishmentsinthesamenarrowlydefinedindustries.Someofthesestudieshavefurthershownthatthesepro-ductivitydifferencesarestronglycorrelatedwiththe

7、establishment'sexportstatus:relativelymoreproductiveestablishmentsaremuchmorelikelytoex-port(evenwithinso-called"exportsectors,"asubstantialportionofestab-lishmentsdonotexport).Otherstudieshavehighlightedthelargelevelsofresourcereallocationsthatoccuracrossestablishmentsinthesameindus