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:2008203220:(1971),(),,,:;(1982),,,3(:07AJY017)SFA3(,300071):78,20032006,,,,,,:;;;;;:F626:A:167129301(2008)0520061206,,,,,,R&D,,,,,,16()20085(36)Lin2TiTan,AmyR.Hwang[1]R&D,,BruceA.Blonigen,ChristopherT.Taylor[2]217,19851993,,Kuen2HungTsai,Jiann2ChyuanWang[3]8319942000,-,0.19,22%,,,[4](SFA),19992001,,[5](DEA)19992001,,[6](DEA),,,,,,Farrell[7],Farrell,,,,;,Farrell,Farrell,1979,SchmidtandLovell[8]Cobb2Douglas,,KoppandDiewert[9](translog),,,,(),,,,,,,,,,,BatteseandCoelli[10],,,()BatteseandCoelli[10],Altunbset.al[11],t;,,:lnTCitPLit=0+1lnPKitPLit+2lnQit+123lnPKitPLit2+124(lnQit)2+5lnPKitPLit.lnQit+6t+7t226SFA+it+it(1)it=0+1lnRit+2lnLit+3Di+it(2)(1);(2):i,i=1,2,,n;t,t=1,2,T;TCit;PKit;PLit;Qit;Vitit,,VitiidN(o,2v);uitit,,,2u,uit0;Ritit();Litit,;Di;it,,2,it-Z,=(1,2,3),Z=(lnRit,lnQit,Di)itexp(-uit),(uit),exp(-uit)01,itexp(uit),,1+,it,,()78,20032006:(TC);(Q);(K);(L);(R);(PK),;(PL);(D),20Di=0,Di=1,,,GDP,20031:1(=312)(2003)1.81E+094.65E+094.34E+104.77E+04(2003)2.55E+098.50E+098.05E+104.77E+04(2003)1.51E+091.08E+101.01E+113.01E+06(2003)1.05E+098.41E+091.00E+111.37E+06(2003)7.20E-017.83E-017.63E+001.71E-03(2003)3.38E+082.03E+091.94E+105.05E+03221260794934336%31.2120.9884.330.66Frontier4.1,:()2,:1.,,36INDUSTRIALECONOMICSRESEARCH,2(loglikelihoodfunction=-320.7)t-01.492312-1.486391lnPKitPLit1-1.0681671.90936233lnQit21.0719283.43785433lnPKitPLit23-0.1125794.64069833(lnQit)240.0169650.607320lnPKitPLitlnQit50.0421331.61954833t6-0.100477-0.493628t270.0120890.301257sigma-squared20.4753389.46455633gamma0.8976324.61081533:331%,,2.,,;,,3.,4.,5.2=0.4753383(2=2+2),6.=0.897632(=2/(2+2)),,,(),33:3t-00.6087045.46917933lnRit1-0.018294-2.84355233lnQit2-0.000008-0.869109Di30.0002551.74368333:331%1.,,;,,,,,2.,,3.,,,,,,(),0.8313,(1),,,,,,2006,,,2005,,46SFA,,(4)4(=0.8313)20032004200520060.84070.8350.82760.82180.9850.98520.98370.9863767613760.57470.55860.57350.57364426263:76,20032006(4),,,,,,,,,,78,,0.8150%,0.9139%,0.718%,1,,,1,,,,,,,,,,,,,,,,,,,,,,,,,,,,56INDUSTRIALECONOMICSRESEARCH,,,,,,[12],,,:[1]TANLT,ARHWANG.ImportedtechnologyandR&DintheTaiwaneseelectronicindustry[J].ReviewofDevelopmentEconomics,2002(6):7790.[2]BLONIGENBA,CTTAYLOR.R&Dintensityandacquisitionsinhigh2technologyindustries:evidencefromtheUSe2lectronicandelectricalequipmentindustries[J].JournalofIndustrialEconomics,2000,48:4770.[3]TSAIKH,JCWANG.TheR&DperformanceinTaiwanpselectronicsindustry:alongitudinalexamination[J].R&DManagement,2004,34:161172.[4],.[J].,2003(1).[5],.[J].,2003(3).[6].[J].,1994(1).[7]FARRELLMJ.Themeasurementofproductiveefficiency[J].JournaloftheRoyalStatisticalSociety,1957,120.[8]SCHMIDTP,CAKLOVELL.Estimatingtechnicalandallocativeinefficiencyrelativetostochasticproductionandcostfunctions[J].JournalofEconometrics,1979(9):343366.[9]KOPPRJ,WEDIEWERT.Thedecompositionoffrontiercostfunctiondeviationsintoteasuresoftechnicalandallocativeefficiency[J].JournalofEconometrics,1982,19:319331.[10]BATTESEGE,TJCOELLI.AmodelfortechnicalInefficiencyeffectsinastochasticfrontierproductionfunctionforpaneldata[J].EmpiricalEconomics,1995,20:325332.[11]ALTUNBASY,MHLIU,PMOLYNEUX,RSETH.EfficiencyandriskinJapanesebanking[J].JournalofBankingandFinance,2000,24:16051628.[12]BERGERAN,DHANCOCK,DBHUMPHREY.Bankefficiencyderivedfromtheprofitfunction[J].JournalofBank2ingandFinance,1993,17:3172347.:2006(:)CostEfficiencyAppraisaltoChinapsListedElectronics2InformationFirms:BasedonSFAModelBAIXuejie,LIUWenling(NankaiUniversityofIndustrialEconomicsUnit,Tianjin300071,China)Abstract:Thisstudygathersdatainformationfrom78listedelectronics2informationfirmsinChinaduringtheperiodfrom2003to2006.WeadoptBatteseandCoellips(1995)modelofstochasticfrontierfunctionandapplythesoftwareFrontier4.1toevaluatethecostinefficiencyscore.SimultaneouslyweevaluatetheinfluenceoncostefficiencyoftheR&Dexpenditure,thescaleandthemanagementmodeloffirms.Ourempiricalresultsaresummarizedasfollows:TherelationshipbetweentheR&Dexpenditureandcostefficiencyissignificantlypositive,butthereisnoobviousrelationshipbetweenthescaleoffirmsandcostefficiency;concerningthemanagementmodeloffirms,theresultsdemonstratethatoperationaldiversificationisbetterthanop2erationalspecializationincostefficiency,themainreasonofwhichmaybetheeconomyofscope.Keywords:electronic;costefficiency;R&D;scaleoffirms;operationaldiversification;operationalspecialization66SFA