Decomposition Analysis of Sectoral Energy Use in Beijing （1981-2005） Using the LMDI Method-中国Betway体育网页登陆

摘要 ThispaperaimstoidentifythemaindrivingforceforchangesoftotalprimaryenergyconsumptioninBeijingduringtheperiodof1981-2005.Sectoralenergyusewasinvestigatedwhenregionaleconomicstructurechangedsignificantly.ThechangesoftotalprimaryenergyconsumptioninBeijingaredecomposedintoproductioneffects,structuraleffectsandintensityeffectsusingtheadditiveversionofthelogarithmicmeanDivisiaindex(LMDI)method.Aggregatedecompositionanalysisshowedthatthemajorcontributoroftotaleffectwasmadebytheproductioneffectfol-lowedbytheintensityeffect,andthestructuraleffectwasrela-tivelyinsignificant.Thetotalandproductioneffectswereallposi-tive.Incontrast,thestructuraleffectandintensityeffectwereallnegative.Sectoraldecompositioninvestigationindicatedthatthemosteffectivewaytoslowdownthegrowthrateoftotalprimaryenergyconsumption(TPEC)wastoreducetheproductionoftheenergy-intensiveindustrialsectorsandimprovingindustrialen-ergyintensity.Theresultsshowthatinthisperiod,Beijing'seconomyhasundergoneatransformationfromanindustrialtoaserviceeconomy.However,thestructuresofsectoralenergyusehavenotbeenchangedyet,andenergydemandshouldbein-creasinguntiltheenergy-intensiveindustrialproductiontobereducedandenergyintensityoftheregionreachesapeak.Assequenceenergyconsumptiondataofsub-sectorsarenotavailable,onlythefundamentalthreesectorsareconsidered:agriculture,industryandservice.However,furtherdecompositionintosecon-daryandtertiarysectorsisdefinitelyneededfordetailedinvesti-gations.

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Decomposition Analysis of Sectoral Energy Use in Beijing （1981-2005） Using the LMDI Method

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