我国商业银行效率的比较研究

TheComparativeStudyonEfficiencyofChineseCommercialBanks2008.52008.62008.6,IABSTRACTEfficiencyisanimportantindexwhichmeasuresmanagementperformanceoffinancialsetup,Efficiencyoffinancialsetupreflectstheresultsoftheutilizationofresourcesandtheoverallbusinessperformancethereforeanalyzingtheefficiencyisaneffectivewaytoassesstheirownperformance.TheoperatingefficiencyofCommercialbankswilldirectlyaffectChina'soveralleconomicgrowthrateandoperationalefficiency,thefundamentalpointoffinancialreformsliesinchangingtheoperatingefficiencyandoperationalmechanismofcommercialbanks.Inthissituation,itisofimportanttheoreticalvalueandpracticalsignificancetostudyefficiencyofbanksanditsinfluencingfactors.AftertheempiricalstudyofChinese15commercialbanks,thisthesisisaimedtostudyoperatingefficiencyofChinesecommercialbankwiththemethodofDataEnvelopmentAnalysis(DEA).ThepurposeofthisthesisistoidentifythefactorsaffectingefficiencyonthebasisofempiricalanalysisonChinesecommercialbanksinorderthatregulatoryauthoritiescanformulatepolicieseffectivelyandbankscanimprovetheresourcesdistributionofbanksystems.Inaddition,itprovidesscientificandtheoreticalbasisofguardingagainstrisksandimprovingefficiencytoidentifythegapbetweenChina'scommercialbanksandtrytofindthesolutiontothecompetition.Thisthesisconsistsoffollowingparts:ChapterI,introduction.Maincontentsofthischapterincluderationaleforselectingthetheme,statusquooftherelatedresearches&trendofdevelopment,methodsandprocedurestobeadopted,frameworkandenvisionedoriginality.ChapterII,theoriesandmeasuringandcalculatingmethodsontheefficiencyofcommercialbanks.Thischapterintroducesthecontent,classificationandeffectivenessoftheefficiencyofcommercialbanksandtwocalculationmethodsonefficiencyofcommercialbanksefficiencyaswell.ChapterIII,DEAempiricalanalysisoftheefficiencyofChinesecommercialbanks.ThischapteristhemainpartofmythesisincludingthebasictenetsofDEAmodelandtheeconomicimplicationsofDEA’seffectiveness,theestablishmentofinput-outputindexsystemandthesampleselectionofbanks,dataprocessingandthedataanalysisofcalculationresults.ChapterIV,theanalysisofthereasonsofempiricalresultsandthesuggestionsforraisingtheefficiencyofChinesecommercialbanks.IIChapterV,conclusionsandprospects.ThischapterisaboutdrawingconclusionsfrompreviousfourchaptersandforecastthestudyontheefficiencyofChinesecommercialbanks.KEYWORDS:commercialbanks;efficiency;comparativestudy;DEA;countermeasureIIIIVV20200620051027200661200675AA+H20061027[1]11Nicols1967O'Hara1981PortaLopez-De-SilanesShleifer[2][3]JensenFama1983MesterCebenoyanMesterCebenoyan[4]Altunbas1991~19931200772YenerAltunbas19891996ShleiferVishny198620012004[5][6]Bel&Murphy1968238Benston197215%~8%Young19981984~19932004410[7]3UU[8]1%~4%[9]S.Paola2002202000[10]198919981126%8.9Silber1975Kane19781981Ross1989DuffleRahi1995GrinblattLongstaff2000211842080[11]2080~90[12]Barthetal2001Caprio200365.3%[13]MartinParkerGilbert1984[14]198419932005[15][16]52006[17]DataEnvelopmentAnalaysisDEA[18]StochasticFrontierAnalysisSFAThickFrontierAnalysis,TFADistributionFreeApproachesDFASFATFADFA[19]DEA1220051020066615DEA1(DEA)DEADEA23DEA123DEADEADEA45DEA72004-200681[20]2BankingEfficiency=/2.191X23101BergerHumphrey1997SFADFATFARienWagenvoortPaulSchure19992DEAFDHDEACharnes1978Farell195711ShermanGold19852002[21]2-1Table2-1indexsystemoffinancialevaluationofcommercialbanks12[22]DEADataEnvelopmentAnalysisDMU[23]1978·E·RhodesDEADMUDMUDEADMUDEAnDecisionMakingUnitsDMUmsxijjiyrjjrjDMUjnjxxxxTmjjjj,,2,1,),,,(21==njyyyyTmjjjj,,2,1,),,,(21==jDMUjnxvyuhmiijisrrjrj,,2,111==∑∑==viurTmvvvv),,,(21=Tsuuuu),,,(21=joC2R220071013⎪⎪⎪⎪⎪⎪⎩⎪⎪⎪⎪⎪⎪⎨⎧≥=≥==≤∑∑∑∑====0),,,(0),,,(,,2,11..max21211110102TsTmmiijisrrsrmiiisrrruuuuvvvvnxvyutsxvyuRCCharnes-Coopers+sD⎪⎪⎪⎪⎪⎩⎪⎪⎪⎪⎪⎨⎧≥≥=≥=−=+=−+=+=−∑∑0,0,,2,10..*min1010ssnysyxsxtsDjnjjjnjjjλλθλθθDssTmsssss),,,,(321−−−−−=+DMUDλTssssss),,,,(321+++++=*θ*s*s*+θ*jo1θ*=1s*=s*+=0DMUj0DEAnxoyo2θ*=1s*0s*+0DMUj0DEAnxosyoxos+3θ*1DMUj0DEA4λj*DMU1*1=∑=njjλj0DMUj0∑1*1=njjλ*1∑=njjλ14DMUj0xo11*∑=njλjDMU*1∑=njjλj0xoC2RDMUθ*DC1*1=∑=njjλ2GS2Eσ*⎪⎪⎪⎪⎪⎪⎩⎪⎪⎪⎪⎪⎪⎨⎧≥≥=≥==−=+=−+==+=−∑∑∑0,0,,2,101..*min11010ssnysyxsxtsEjnjjnjjjnjjjλλλσλσσρ****σθρ=ρ*ρ*=1DMUρ*11DEAProductionApproachIntermediationApproachAssetApproach[24]152DMUDMUDMUDMUDMU16DEADMUDEADMUDEADMUDEA/3172006413113331318200420042005200615411200520062007[26][27][28][29]3-23-33-41920212223242526272829303132LINDO6.115C2R∗θ∑jλC2GS233∗σ***σθρ=3-53-63-7∗ρTable3-5theefficiencycalculationresultsofChina'scommercialbanksin2004∪∗θ∗σ34Table3-6theefficiencycalculationresultsofChina'scommercialbanksin2005∪∗θ∗σ3536Table3-7theefficiencycalculationresultsofChina'scommercialbanksin2006∪∗θ∗σ37∗θ∗θ381DEA115200420060.62081910.36446570.4665505DEA3-12333-2∗σ∗σ3933113-3∗ρ∗ρ441314073-43-53-641421998302700140002004450200520066175HA867200A+H200610271249.48464.4420042006DEA120074320060.9%18.5%0.7%17.8%151431/501/281/251/2110%25%44200634.8020054.7816.0%2.216.661.9613.3%3.211.891.7116.8%3.120067.51%4129.22%2.81%20042005200626.73%26.17%23.44%310%45123461IC247AndrewC.Worthington60%[30]1IC482Gorton&Winton[31][32]