: , Technology Economics. Sharma. Oh J eong2dong Lee Seogwon Hwang Alma Hes2. R1J1 Orsato P1 Wells

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1 Techology Ecoomics Vol129, No12 Feb., ,, (, ) : , :, ;, ;,,(), :;DEA ;; ; : F :A : X(2010) ,,,, 16,,, [1 ],,, DEA (data evelop met aalysis) Papahristodoulou DEA,, [2 ] Seema Sharma 20 90, [3 ] Iha Oh J eog2dog Lee Seogwo Hwag Alma Hes2 hmati, D EA, [ 4 ] D EA ,, R1J1 Orsato P1 Wells,,, 10, [5 ], DEA , 7 : : ( ) : (1963 ),,,,, : ; (1980 ),,,,: ; (1986 ),,,,: 39

2 , 3, [6 ] D EA ,, 2008,, [7 ],,, [8 ] DEA,,,, [9 ] D EA CR CRS 22,,,,,, [10 ] ,, [11 ], D EA,,,, DEA,,,, CCR DEA, A1 Chares W1 Cooper DEA, SFA ( stochastic f rotier aalysis app roach), ;D EA, [12 ] D EA A1 Chares W1 W1 Coope E1 Rhodes CCR, : N D M U j (,2,, ) (decisio maker uit), m ( ) s ( ), j D M U j X j x mj ) Y j = ( x1 j, x2 j,, = ( y1 j, y2 j,, y j ) (,2,, ) j : h = m ui y ij i = 1 s v r x rj r = 1, (,2,, ) (1), DMU CCR : mi[ - ( e T s - + e T s + ) ] j X j + s - = X j0 s1 t1 i Y i - s + = Y j0 (2) j 0 ;,2,, ; s - 0 ; s S +0 S = 1 S +0 = S - 0 = 0, DM U j0 D EA, DEA, X 3 0 = X - S - 0, Y0 3 = Y + S +0,, D EA DM U DEA, CCR DM U 3 j (,2,, ), 3,, 3 j, 3 j > 1, 3 j < 1 [ ] 212 DEA CCR,,

3 :, : mi s1 t1 m 1 1 x 0 j X j + S - = j Y j + S + = y0 Π j 0 (,2,, ) S + 0, S - 0 D EA,, ;,,DMU : ( X1) ( X2) ( X3),3,,, (3) 1, D M U : ( Y1) ( Y2) [15-16 ] 213,, ,, 16 DEA, 16, 3, 2, 16 (16) 2 (3 2 2 = 12), DEA ;, DEA 1 DM U DM U DM U DM U DM U DM U DM U DM U DM U DM U DM U DM U DM U DM U DM U DM U SPSS11 RC > 1 RC > ( ) ( ) ( ) ( ) ( ) : RC ( R C = / ) 2 : , 4, 2008,,,, , %,, CPI,,RC 2, 3 41

4 ,50 %,,,,, DM U DEA DEA P211, drs - drs irs drs irs irs irs irs irs irs irs irs irs irs irs drs irs irs - irs irs irs irs :, irs, drs, - 3,2008 (DEA ) : 6, % : 8, 50 % 3, 3,,,, 1 :,,,,,, 3 :, ,,, ( DMU 50 %),, 5 D M U ,, 6,,, ;,, ( 4) [17 ]

5 :,3,, 2008,, 2008, 3,DEA,, 314, DEA PROJ ECTION SUMMAR Y variable 4 Results for firm :1 Techical efficiecy = Scale efficiecy = (drs) Origial movemet, DEA [18], DEA, (2008 ), 4 4, 918, 7336,, DEA,, 918,, ,, 9 DEA DMU, Radial movemet Slack movemet Projected output output iput iput iput DEA 16 3,,,,,,,,,,,,,,, value,,,,,,,,, ;,,,,,,, 43

6 29 2,,,,,,,, 200, 90 % 10,,2008,,, ;,,, [ 1 ],,. [ M ]. :,2005 : [ 2 ] PAPA HRISTODOULOU C1 A DEA model to evaluate car efficiecy [ J ]. Applied Ecoomics, 1997, 29 : [ 3 ] SHARMA S. A study o productivity performace of I2 dia automobile idustry : Growth accoutig aalysis [ Z]. APPC2004 Coferece Program, hosted by t he Ce2 tre for Efficiecy ad Productivity Aalysis,school of Eco2 omics,uiversity of Queeslad,Brisbae,Australia J u2 lyl4 16,20041 [4 ] O H I,L EE J2D. ANalysis of product efficiecy i t he Ko2 rea automobile market from a cosumer s perspective [ Z]. The North of America Productivity Workshop, To2 roto,caada J ue 22 25,20041 [ 5 ] ORSA TO R J,WELL S P. U2tur : t he rise ad demise of the automobile idustry [ J ]. Joural of Cleaer Produc2 tio,2007 (15) : [ 6 ]. DEA [J ].,2004 (10) : [ 7 ]. DEA [J ].,2005 (2) : [ 8 ],. [J ].,2004 (12) : [ 9 ],. DEA [J ].,2006 (10) : [ 10 ]. DEA [J ].,2005 (5) : [ 11 ]. [J ].,2007 (2) : [ 12 ] COOPER C A,R HODEs W W E. Measurig t he efficiecy of decisio makig uit s[j ]. Europea Joural of Opera2 tioal Research,1978,2 : [ 13 ]. [ M ]. :,2004 : [ 14 ] J O HNS J. Data evelopmet aalysis ad its applicatio to t he measuremet of efficiecy i higher educatio[j ]. Ecoomics of Educatio Review,2006,25 (3) : [ 15 ] WESL EY J,BU TL ER T W. A itroductio to date e2 velopmet aalysis A efficiecy evaluatio of prisos [J ]. Crimial J ustice Review,1997,22 :12151 [ 16 ] L EACHMAN C,PEGEL S C C,SHIN S K. MAufactur2 ig performace : evaluatio ad determiat s[j ]. Iter2 atioal Joural of Operatios met,2005,25 (9) : & Productio Maage2 [17 ]. [J ].,2001 (21) : [ 18 ] PODINOVSKI V V. DEA models for t he explicit maxi2 mizatio of relative efficiecy [ J ]. Europea Joural of Operatioal Research,2001 (131) : Aalysis o Techical Eff iciecy of Automobile Idustry i Chia :Based o Empirical Evidece from Chiese Listed Compaies i Automobile Idustry Durig Wa L ulai,l u Lili,Liu Ziog ( School of Humaities ad Ecoomics, Hefei Uiversity of Techology, Hefei ,Chia) Abstract : Usig t he aual report data about 16 Chia s listed compaies i automobile idustry over the period of ad the method of Data Evelopmet Aalysis,t his paper calculates ad aalyzes t he techical efficiecy of Chia s automobile idustry i recet years1 The re2 sult shows that :although some listed compaies i automobile idustry of Chia are at the stage of icreasig returs,the declie of pure techi2 cal efficiecy of some listed compaies i automobile idustry results i the dowtred of total techical efficiecy of listed compaies i automo2 bile idustry ;oly half of listed compaies operate o the frotier of techical efficiecy,ad the differece i techical efficiecy of listed compa2 ies i Chia s automobile idustry has itesified ;i the backgroud of globe fiacial crisis,the profit of may listed compaies has bee decli2 ig,ad t he abilities of listed compaies at techical efficiecy frotier to resist risk are troger t ha t hose wit h t he lower techical efficiecy1 Therefore,t he cotributio degree of t he factors of techology ad scale to techical efficiecy for listed compaies i Chia s automo2 bile idustry should be improved1 Key words : automobile idustry ;DEA ;techical efficiecy ;pure techical efficiecy ;scale efficiecy 44

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