生产性服务业及制造业协同集聚 3a贸易成本视野分析及实证

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1、distributionhaschangedintoconcentrationintheeasternarea．Studyontheprefecture-levelandcountylevelshowsthatanewcore-peripheryindustrialpatternhasbeenformed，thatisapatternwhichmetropolisformsasproductionservicescenterandsurroundingsatellitecitiesasmanufacturingperiphery．Bas

2、edonthesummaryoffeaturesofco-agglomeration，theempiricaltestsaremademainlyfromthreelevels．ThefirstoneiSthecheckingofthechain-effectsfromproducerservicetomanufacturingagglomerationviachangingtradecost．ByintroducingChina’Sdata,theresultsshowthattheeffectofproducerserviceson

3、manufacturingagglomerationismainlymadebychangingtradecosts，andthemediatingeffectsoftradecostsvariesamongdifferentmanufacturingwithdifferentfactorintensities．ThesecondlevelisatestfromacostlinkageanddemandlinkagemodelfocusingonbothinternationalanddomestictradeIiberalizatio

4、n．Byintroducingthedataof286citiesduringtheperiodof2000—2009，theempiricaltestsprovedthattheCO—agglomerationeffectdoesexistamongproducerserviceandmanufacturingsector．BothinternationalanddomestictradewillenhancetheCO—agglomeration，buttheformerorlehasalagereffects．Afurtherst

5、udyshowsthatfortheeasternregion，theeffectsthatinternationaltradehasislargerthandomestictradeandtheoppositeresultalsoexists．ThedecreaseoftradecostswillimprovetheCO-agglomeration，butindifferentways．Specificall5thetradeCOStsofmanufacturingindustrywillencouragemanufacturersl

6、ocateinthesurroundingcitiesneartheconcentrationofproducerservicesector．补etradecostsofproducerservicewillencourageproducerserviceconcentrateinthelargecities．Thefactof“producerservicecenter-manufacturingperiphery'’isprovedbytheempiricaltests．ThethirdlevelistheCO·agglomerat

7、iontrendpredictionbasedonthemarketgravityofSMEs．Theresultshowsthatthemarketgravityofsmallenterprisesisindeedshiftingtodomesticmarketfromtheoverseamarket,andtherelocationeffectissignificant．Withthemarketgravityshifting，thecentripetalforceofthehighlyconcentratedindustriesi

8、nCOstalareaisweakeningandcentrifugalforcegettingstrong．ThisindicatesthattheCO-agglomerationofproducerse