Economic Development and CO2 Emissions：A Nonparametric Panel Approach

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1、DiscussionPaperNo.05-56EconomicDevelopmentandCO2Emissions:ANonparametricPanelApproachThéophileAzomahou,FrançoisLaisneyandPhuNguyenVanDiscussionPaperNo.05-56EconomicDevelopmentandCO2Emissions:ANonparametricPanelApproachThéophileAzomahou,FrançoisLaisneyandPhuNguyenVan

2、DownloadthisZEWDiscussionPaperfromourftpserver:ftp://ftp.zew.de/pub/zew-docs/dp/dp0556.pdfDieDiscussionPapersdieneneinermöglichstschnellenVerbreitungvonneuerenForschungsarbeitendesZEW.DieBeiträgeliegeninalleinigerVerantwortungderAutorenundstellennichtnotwendigerweis

3、edieMeinungdesZEWdar.DiscussionPapersareintendedtomakeresultsofZEWresearchpromptlyavailabletoothereconomistsinordertoencouragediscussionandsuggestionsforrevisions.TheauthorsaresolelyresponsibleforthecontentswhichdonotnecessarilyrepresenttheopinionoftheZEW.Nontechnic

4、alsummaryTherelationshipbetweeneconomicdevelopmentandenvironmentalqualityhasbeenextensivelyexploredinrecentyears.Theshapeofthisrelationshiphasimplicationsforthedefinitionofanappropriatejointeconomicandenvironmentalpolicy.Intheliterature,thisanimateddebaterevolvesaro

5、undtheexistenceofanEnvironmentalKuznetsCurve,whichimpliesthat,startingfromlowlevelsofincomepercapita,environmentaldegradationincreases,butafteracertainlevelofincome(turningpoint)itdiminishes.ThisstudyinvestigatesthequestionoftheexistenceofanEKCusinganonparametricapp

6、roach.Inthisframework,noaprioriparametricfunctionalformisassumedformodellingtherelationshipbetweencarbondioxide(CO2)emissionsandGDPpercapita.ThemainreasonforstudyingCO2emissionsisthattheyplayafocalroleinthecurrentdebateonenvironmentalprotectionandsustainabledevelopm

7、ent.CO2hasbeenrecognizedbymostscientistsasamajorsourceofglobalwarmingthroughitsgreenhouseeffects.AnotherreasonisthatCO2emissionsaredirectlyrelatedtotheuseofenergy,whichisanessentialfactorintheworldeconomy,bothforproductionandconsumption.Therefore,therelationshipbetw

8、eenCO2emissionsandeconomicgrowthhasimportantimplicationsforenvironmentalandeconomicpolicies.Toestimatethisrelationship,weuseinformationdra