简介：Carbonemissionisthecurrenthotissueofglobalconcern.Howtoassessvariouscontributingfactorsforcarbonemissionisofgreatimportancetofindoutthekeyfactorsandpromotecarbonemissionreduction.Inthispaper,theauthorconstructsanidenticalequationforcarbonemission,basedontheeconomicaggregate,theeconomicstructure,theefficiencyofenergyutilization,thestructureofenergyconsumption,andthecoefficientofcarbonemission;byapplyingtoLMDIdecompositiontechnology,theauthoranalyzesthecarbonemissionofChinafrom1995to2007atindustriallevelandregionallevel.TheresultsshowthattheexpansionofeconomicaggregateisthemainreasonforChina'srapidlyincreasingcarbonemissionandtheincreaseofenergyutilizationefficiencyisthekeyfactorthatcanholdbacktheincreaseofcarbonemission.Inaddition,thechangeofindustrialstructureorregionalstructureandthechangeoftraditionalenergystructurehavelimitedinfluenceonthecarbonemission,andtheirpotentialshavenotyetbeenexploited.Attheendofthispaper,theauthorproposestheeffortsthatChinashouldmaketoreducecarbonemission.

简介：Intheanalysisofhowenvironmentalregulationaffectsthecomparativeadvantageoftrade,existingliteratureignoresindustry’sinherentheterogeneity,whichdrawsremarkablydifferentconclusions.Inviewofthis,thepaperanalyzedthemechanismofenvironmentalregulationontheexportqualityofdifferentindustriesfromtheperspectiveoffactorinputstructureheterogeneity.BasedonthepaneldataofChina’smanufacturingindustry,thepaperusedthesystemgeneralizedmethodofmomentsmethodtoexaminetheheterogeneityinfluenceofenvironmentalregulationonmanufacturingexportquality.Thestudyfoundthat,first,environmentalregulationaffectedtheexportqualityupgradeofthemanufacturingsectorthroughoffseteffectandcompensationeffect,andthedirectionoftheimpactwouldmainlydependontheindustry’sfactorinputstructure.Second,forindustrieswithlargerfixed-assetinvestment(FAI)ratiointhefactorinputstructure,thecurrentenvironmentalregulationpolicywasnotconducivetotheexportqualityupgradingoftheindustries.However,therewasasignificantU-shapeddynamicrelationshipbetweenthem.Asenvironmentalregulationsbecamestricter,whenregulatorystringencywentbeyondtheinflectionpoint,thepolicywouldpromotetheupgradingofexportquality.ButforindustrieswithsmallerproportionofFAI,environmentalregulationexertedafavorableimpactontheexportqualityupgrade,followingaJ-shapedmarginalgrowthcurve.Third,forindustrieswithdifferentfactorinputstructure,theirexportqualityhadbeeneffectivelyupgradedasexpectedbyfactorslikehumancapitalinvestment,independentR&D,technologyintroduction,andforeigndirectinvestment;butraisingpercapitacapitalstockandexpandingenterprisesizedidnotproducesignificantdirectimpactonexportqualityupgrade.Theseconclusionsremainedrobustafterusingdifferentmeasurementmethodsandreplacingwithothervariables.Therefore,thispapersuggeststhatgovernmentsshouldt

简介：Fromtheperspectiveoftourismcompetitiveness,thepapertakes12islandcountiesofChinaastheresearchobject,andappliesthemethodoffactoranalysistostudytheircompetitiveness.TheresultshowsthatPutuoandDinghaiaremorecompetitivewhilePingtanandNan’aoarelesscompetitive.Finally,the12islandcountiesaredividedintofourstyles:first-classcompetitivecounty(Putuo),seond-classcompetitivecounties(Dinghai,Yuhuan),third-classcompetitivecounties(Chongming,Daishan,Changdao,ChanghaiandShengsi),fourth-classcompetitivecounties(Dongshan,Dongtou,PingtanandNan’ao)byclusteranalysis.Theclassificationofislandcountiesistocleartheirrelativeposition,thentopromotetheirdevelopment.

简介：TheflowofrurallabortourbanisasignificantphenomenoninChinaduringthelast20years.Inspiteofmanyresearchesfocusonthedrivingforceofeconomy,terrainisanimportantindexintheruraldevelopment.Thereisaquestionthatwhethertheflowofrurallaborhassomerelationshipswithterrain.Thestudyusedthereliefdegreeoflandsurface(RDLS)asterrainindex,andthecostdistancemodelandthecenterofgravitymodeltoanalyzetherelationshipbetweenterrainandlaborflows.Theresultsindicated:(1)Inthelast20years,therurallaborforcewasnotsimplyflowingtothelowterrainregioninShaanxiprovince.AndtheRDLSwasconstantlystrengtheningtheinfluenceonthemovement.(2)TheRDLSwaslowinGuanzhongregion,andthetranslationofrurallaborsrelativelywasnotsignificant.SinceNorthShaanxiactastheenergyindustrybase,thenumberofrurallaborsthereincreasedfasterthaninSouthShaanxi.(3)Themovementsofeconomicalcenterstookanimportantroleinthechangeofrurallaborcenters,andterrainfactorsalsoshowedahighcorrelationwiththem.Itisfoundthattheloweroftheterrainindex,thehigherofthelandintensivedegree,themoreintensiveofnonagriculturalizationprocess.