第 卷第 期 管 理 学 报
8 11 piricalStudyBasedonPartialAdjustedModel
XIAO Min JIAXiaoxia
(ShanghaiMaritimeUniversity,Shanghai,China)
Abstract:ThispaperempiricallyinvestigatesthepotentialdeterminantsofR&Dintensityusing
timeserialdataofChinafortheperiodof1991-2007.Agreatnumberoffactorspotentiallyhavean
impactontheR&Dintensityasdiscussedasfollowing:Businesssector,policytools,publicR&D
sector,investmentandeconomicalfactors.Forthedataobtained,twelvevariables,includingbusi
nesssectorR&Dintensity,businessR&Dhumanresource,industrystructure,directR&Dsubsidies
ofgovernment,patentprotection,publicsectorR&D,physicalcapitalInvestment,humancapital,
GDPpercapita,rateofGDPgrowth,internationaltradeandforeigndirectinvestment,havebeende
signed.Estimatesusingapartialadjustedmodelestimatorcontrollingforendogeneityshowahighde
greeofpersistenceinR&Dintensity.BusinesssectorR&Dintensity,industrystructure,patentpro
tectionandinvestmenthaveasignificantandpositiveimpactonR&Dintensity.
Keywords:R&Dintensity;determinants;partialadjustedmodel
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R&D R&D
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