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A-H模型下科技创新对经济增长的贡献研究综述报告.docx

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A-H模型下科技创新对经济增长的贡献研究综述报告 Abstract: ThecontributionoftechnologicalinnovationtoeconomicgrowthundertheA-Hmodelhasreceivedwidespreadattentionanddiscussion.ThispapersummarizesthetheoreticalframeworkoftheA-Hmodelandcriticallyreviewsexistingliteratureontheimpactoftechnologicalinnovationoneconomicgrowthindifferentcountries. Introduction: TheA-Hmodel,alsoknownastheaugmentedSolowmodel,isawidelyusedtheoreticalframeworktoexaminethefactorsthatdriveeconomicgrowth.ThemodelisanextensionoftheSolowmodel,whichassumesthateconomicgrowthisdeterminedbyasetofexogenousvariables,suchascapitalaccumulationandpopulationgrowth.TheA-Hmodeladdshumancapitalandtechnologicalinnovationasendogenousfactorsthataffecteconomicgrowth.Theadditionofhumancapitalandtechnologicalinnovationtothemodeloffersamorenuancedunderstandingofthedriversofeconomicgrowth. Literaturereview: NumerousstudieshaveexaminedtherelationshipbetweentechnologicalinnovationandeconomicgrowthundertheA-Hmodel.Thefindingsofthesestudieshavebeenpositive,suggestingthattechnologicalinnovationhasasignificantpositiveimpactoneconomicgrowth.AstudydonebyFagerbergetal.(2006)foundapositiverelationshipbetweentechnologicalinnovationandeconomicgrowthin17OECDcountriesovertheperiod1970-2000.Furthermore,thestudyfoundthatthecontributionoftechnologicalinnovationtoeconomicgrowthincreasedovertime,particularlyinthe1990s. AnotherstudyconductedbyAghionandHowitt(2006)foundthateconomiesthatinvestedmoreinresearchanddevelopment(R&D)experiencedhigherlevelsofeconomicgrowth.ThestudyalsofoundthateconomieswithmorefavorableR&Denvironments,suchasstrongintellectualpropertyrightsprotectionandinfrastructure,hadahigherlikelihoodofproducingsuccessfulinnovationsthatcontributetoeconomicgrowth. InastudydonebyLeeandKim(2017),theauthorsanalyzedtheimpactoftechnologicalinnovationoneconomicgrowthin94countriesovertheperiod1996-2015.Thestudyfoundapositiveandsignificantrelationshipbetweentechnologicalinnovationandeconomicgrowth,regardlessofacountry'slevelofeconomicdevelopment.Thestudysuggeste