简介：Thispaperestablishedanequilibriummodelincludingrepresentativehousehold,government,andeightindustries,andtwodifferentenvironmentalpolicytoolssuchascarbonintensityandcarboncapwereaddedintothemodel.Thepaperpointsoutthatthecarbonintensitypolicyimposedonmajorhigh-emissionindustriesachieveddoubledividendofenvironmentalqualityimprovementandsustainableeconomicgrowthundertheconditionofproperconstrainttarget.ThisresultsupportstheenvironmentalPorterhypothesis.Thispaperfindsoutthatthedoubledividendisduetothefactthatenvironmentalgovernancepolicyleadstotherisingpriceofresourcesanddemandoflabors,resultinginaneffectiveredistributionofproductionfactorsamongindustriesandsustainableeconomicgrowth.Furthermore,thispaperestimatesthemarginaleffectofeconomicstructureoncarbonemissionandcarbonintensityandprovidestargetedsuggestions.