rgp chi Khoa hgc - Con^ nghe Thuy sdn So 1/2013
KET QUA NGHIEN CGU D A O T A O SAU DAI HOC
PHAN TICH HIEU QUA KY THUAT CHO NGANH CH£ BIEN THUY SAN KHANH HOA DITA TREN PHl/OfNG PHAP DU'OfNG BAO D& LIEU
TECHNICAL EFFICIENCY ANALYSIS FOR FISHERIES PROCESSING ENTERPRISE IN KHANH HOA PROVINCE BY DATA ENVELOPMENT ANALYSIS METHOD
Nguyin Thanh Bao', BS Van Ninh\ Pham Thi Thanh Thuy' Ngaynhanbai 03/IO/2012;NgSy phan bien thong qua: 28/12/2012, Ngay duyetdang. 15/3/2013
T d M T A T
Nghien cuu ndy su di^ng mo hinh phdn tich dudng bao dii li^u (DEA) toi thieu hda ddu vdo vd loi da hda ddu ra trong tnidng hpp quy mo khong dnh hudng din ket qud sdn xudt (CRS), quy mo dnh hudng den kit qud sdn xudt (VRS) vd hieu qud quy md (SE) vdi mot bien ddu ra va hai bien ddu vdo de do ludng hieu qud ky thudt cho cdc doanh nghidp che biin thuy sdn tinh Khdnh Hda lit ndm 2007 - 2010 Ket qud cua nghien ciiu chira rdng trong md hinh CRS co tdi tir 89.47 - 94,74%
so doanh nghiep che bien thdy sdn tai tinh Khdnh Hoa khdng dat du(fc hi^u qua ky thuat. v&i Af so hiiu qud ky thudt trung binh tit 0,27 - 0,44: trong mo hinh VRS, cd tdi tie 78,95 - 84,21% sd doanh nghidp khong dai dugc hi4u qud ky thudt, vdi he so hiiu qud ky thudt trung binh Id 0,46 - 0,54; trong mo hinh SE cd tit 89.47 - 94,74% sd doanh nghiep khdng dai dupc hi^u qud theo quy mo.
Tic khda: hi4u qud ky thudt, hieu qud theo quy mo, doanh nghiep che bien thuy sdn, phdn tich mdng dir lieu ABSTRACT
This study applied input and output oriented Data Envelopment Analysis model (DEA) in Constant Return to Scale (CRS), Vanable Return to Scale (VRS) and Scale Efficiency (SE) with a vanable output and two input vanables to measure the technical efficient^ of fishery products processing enterprises in Khanh Hoa province from 2007 - 20 JO. The result of study shows that CRS method was 89.47 to 94 74% of fishery products processing enterprises in Khanh Hoa province was not meet technical efficient^ with mean scores ofO 27-0 44: VRS method was was 78.95 to 84.21% of enterprises not meet the technical efficiency, with mean scores of 0.46 - 0.54: SE method was 89 47 - 94 74% of enterprises not meet the technical inefficiency.
Keywords- technical efficiency, scale efficiency, fishery processing enterprises, DEA
I. OfyJ V A N Dt cic thj tnj'dng se tilp lyc Id nhQ'ng trd nggi eho d c Hign Khdnh Hda da d trdn 50 xudng c h l bien doanh nghiep thuy sdn vd linh hinh egnh tranh gitpa xult khiu thuy sdn, gflp phin nang cao gia tn kim d c doanh nghigp ngdy d n g gay gat, v i n d l dat ra nggeh xult khiu cho ttnh nfll rieng vd d nude nfll cho cae doanh nghigp ehe biln thuy sdn tnang tinh chung. Tuy vgy, cdc doanh nghiep nganh che bien Id Idm sao gidm duge cae y l u to d i u vdo hodc tang thuy sdn cung ggp khdng it khfl khan vdi xu hudng d c y l u tfi dau ra dya vdo d c y l u tfi dau vao san bdo hfl thuang mgi, cde hdng rdo ky thugt, kifim cfl. Do dfl, vigc do ludng higu qud ky thuat eho edc djch chgt che vd d c tifiu ehuin mdi kbit khe ve du doanh nghiep che biln thOy san tinh Khdnh Hfla Id tugng khdng sinh vd an todn vg sinh thye phim lgi vigc lam d n thilt hign nay.
' NguySn Thanti Ddo' Ldp Cao hgc ngdnh Qudn tri Kmh doanh 2009 - Ttudng Oai hpe Nha Trang ' TS. 05 Vdn Ninti: Tnrdng Dgi hgc Nha Trang
' ThS. Phgm Th! Ttianh ThOy: Khoa Kinh t l - Tmdng Dgi hpe Nha Trang
TRIJ5NG DAl HQC NHA TRANG • 103
Tgp chi Khoa hgc - Cong nghe Thdy sdn S6l/mi^
Nghien ctru d a Nguyen Van Ngge, Nguyin Thanh Cudng (2009) [2] vdi phdn tieh higu qua ky thuat cho d c doanh nghiep thtiy sdn tinh Khdnh Hoa tir 2005 - 2009 trong hai trudng hgp quy mfi ttiay dfii va quy md khfing ttiay doi sir dung y l u tfi dau vdo Id tong tdi san, von ehii sd huu va d i u ra la doanh thu. K i t qua phan tich 39 doanh nghigp d a nganh \iong ndm 2009 cho thiy cfl din 67% cfl hieu qud ky thugt thip, d f d khodng 10% dat higu qud ky thugt eao nhd d u true vfin hgp ly. Tuy nhidn, nghidn cuu ndy chi dung lai d phdn tich theo hudng tfii ttiilu hfla d i u vao md ehua cfi sy so sanh vdi mfl hinh \h\ da hfia d i u ra.
II. ca S d L t THUYtT VA PHli'CTNG P H A P NGHIEN CI>U
1. Co- sd- ly thuyet
Theo nhd kinh t l hgc 1^. Fan^ell (1957) [4], higu qua hogt dflng (operational efficiency) dugc chia Idm 2 phin: Higu qud ky thugt hoac higu q u i sdn xuat (technical efficiency); vd Hieu qua phgn phfii nguon lye (alloeattve efficiency).
Higu qud ky thugt la tfii thilu hfia lugng cac y l u tfi d i u vdo vdi d i u ra cho ttudc hogc toi da hfia cdc yeu t l d i u ra vdi lugng yeu tfi d i u vdo cho trudc [5]. Cfi hai phuang phdp do ludng higu qud ky thugt phfi biln td: phan tieh mdng du ligu (Data Envelopment Analysis - DEA) vd phdn tieh dudng bien nglu nhien {schochastte frontier analysis - SFA), trong dfl SFA su dyng phuang phdp tham so (paramelnc mettiods), DEA dya theo phuang phap phi tham sfi (non - parametric methods) d l udc lugng gidl hgn khd nang sdn xuat dya tren edc quan sat thye te.
DEA Iln d i u tien duge phat ttiln bdt Charnes, Cooper, va Rhodes vdo nam 1978. Cfi hat phuang phdp tilp can \stjc lugng gidi hgn khd ndng sdn xuat Id: phdn tich mdng du ligu trong tnfdng hgp quy md khong dnh hudng din kit qud sdn xull (Constant Retum to Scale - CRS) va phgn tich mdng d& lieu ttijng tnfdng hgp quy md dnh hudng den kit qua san x u l l (Variable Rettim to Scale - VRS). Ca hai mfl hinh DEA^s vd DEAVRS d i u duge xdy dyng vdi gia thilt loi ttiilu hfla cdc y l u to dfiu vdo md khflng ldm gilm sut d i u ra vd toi da hfla d i u ra dya tren d i u vdo cd san.
Do ludng higu qua theo quy md (SE), diung ^ so sanh CRS - DEA va VRS - DEA. Neu d sy khfie bigt gitra CRS - DEA vd VRS - DEA dfii vdi tCmg doanh nghigp cy Uil, chting ta kit lugn rdng c6 sv khflng higu qua v l mat quy mfl [1]
Chung ta d : TECRS = TEVRS x SE
^=> [ SE = TECRS/TEVRS [5]
Hg so hieu qua TECRS, TEVRS trong mfi hinh phdn tich mdng dCr ligu lufin ndm ttong khodng ID 0 d i n 1 [2].
Nghien ctru cua Nguyin Van Nggc, Nguyin Thdnh Cudng (2009) [2] str dyng yeu to diu vfio Id tong tai san, vfin ehii sd hiru vd d i u ra Id doanti thu. Theo Nguyen Trgng Luang, Dang Hodng XuSn Huy (2012) [3] d i u ra td doanh Uiu. Cdc nghien oil ndy ehi difng Igi d phgn lich theo hifdng tot Ihien hfla dau vdo md chua d sy so sdnh vdi mfl htnh tii da hfla d i u ra. Dya b-gn d c nghien edu tnrac, tic gtd de xult chgn bien d i u vao Id tfing tdi san (tiiSu dfing), vfin ehii sd hifu (ttigu dfing); biln diu ra li doanh thu (trigu dfing) vd nghien ciru frdn d halm) hinh: tfii thilu hfla dau vdo va tfii da hfla dau ra.
2. Du ligu va phuo-ng phdp nghien ci>u 2.1. Dif ll$u nghiin ciru
Tong so m l u nghidn euu Id 38 doanh ngtiifp c h l bien thtiy sdn trong tinh Khdnh Hfia s6 11^
dugc thu ttiap tif nam 2007 d i n 2010.
2.2. Phuxmg phip nghiin cuv
Trong bai viet nay dfii vdi md hinh DEA,^ vi DEA^g, tdc g i l do ludng higu qua ky thugt ttieo hudng tfii thilu hda d c y l u to d i u vdo md klidng Idm gidm siit y l u to dau ra va tfii da hfla edc y^u li d i u ra dya tren edc y l u to d i u vdo d san. Ph^
mem DEA Excel solver eua Sherman and Zhu (41 dugc sir dyng dfi udc lugng kit qud.
III. K^T QUA NGHIEN CI>U VA T H A O LUAN 1. Khai quat ve m l u nghien cihi
Bdng 1 b-inh bdy k i t q u i thing kg mfl tS di/
ligu d c doanh nghiep thtiy san tinh Khdnh Hfia Hi nam 2007 - 2010, cho thiy ting tai sdn binh quSn tang tir 53.137 trigu dong (2007) din 64.831 V^
dong (2010), von ehii sd huu cung tdng h> 14.95*
tngu dfing (2007) din 27.053 ttieu dfing (2010), doanh thu binh quan tdng gidm nhu hinh sin l*i9 tu 106.755 ttigu dong (2007) ldn 128.779 ttigu fling
104 • TRUQNG DAI HOC NHA TRANG
Tgp chi Khoa hgc - Cong nghe Thuy sdn So 1/2013 [2008), gidm xuong 110.334 ttieu dong (2009) va tang lai len 128.519 trigu dfing (2010).
Bdng 1. Thfing k l mo td dO' lieu cdc doanh nghigp che bien thuy san tinh Khdnh Hoa, nam 2007 - 2010 C h r t i i u
I.TSngtSi san - Trung binh - Khoang bi^n thien - SO lech chu^n 2. V6n chCi sor hiFU - Tmng binh - Khoang bien thign -f}0 iecli chuan 3. Doanh thu - Trung binh - Khoang bien thifin - Bo iecii chuan
DVT
Tr.d
Tr.d
Tr.d 2D07
53.137 806 - 299.270
77.343
2008
58.431 685-343.215
82.935 14.954 17.472 371-105.607 385-111.472
23.747 26.303 106.755 128.779 1.715-870.479 829-768.995
164.763 200.324 2009
63.345 880 - 500.055
97.380 24.175 462-194.875
40.533 110.334 311 - 848.891
175.394
2010
64.831 985-431.180
94.377 27.053 512-230.779
46.296 128.519 1.235-986.165
223.321
^ u ^ : TTnh to^n tir s6 li^u diiu tra 2. Hi^u qud ky thu$t
Kit qud nghien ctru higu qua ky thugt trinh bay nhu d bdng 2.
Bdng 2. Higu qud ky thugt cua cdc doanh nghi$p c h l b i l n thuy san tinh Khdnh Hda theo phuYvng phdp DEA
Chi tieu
1. Nam 2007 - Ty ie dat hi$u qu5 (%) - H$ s6 hilu qua (9) + Trung binh + Khoang bien thifin + Do iech chu^n 2. Nam 2008
- Ty ie dat hifiu qu3 (%)
• Hfi s6 hifiu qua (6) + Trung binh + Khoang bi^n thifin + B$ Ifich chu^n 3. Nim 2009
- TJ ifi dat hifiu qu3 (%) - Hfi sfi hifiu qua (9) + Trung binh + Khoang biln thifin + Dfi Ifich chuin 4. NSm 2010 - T f ifi dat hifiu qufi(%) - Hfi so hifiu qua ($) + Trung binh + Khoang brin thifin + Dfi ifich chuan
CRSTE (Constant Retum to Scale) T6Hhliuh6a
I f l u vdo
5,26 0,27 0,03-1,0
0,22 10,53 0,44 0,02-1,0
0,28 5,26 0,36 0,00-1.0
0,27 7,89 0,43 0.03-1.0
0,30"
TSldahoa aiura
5,26 0,27 0,03-1,0
0,22 10,53 0,44 6,02-1,0
0,28 5,26 0,36 0,00-1,0
0,27 7,89 0,43 0,03-1,0
0.30
VRSTE (Variable Retum to Scale) To! thiiu h6a
aiu vao
16,79 0,46 0,03-1,0
0,34 18,42 0.54 0,06-1,0
0,31 21,05 oTs' 0,06-1,0
0,33 21,05
0,51 0,07-1,0
0,33
Toi cTa fioa
15,79 0,48 0,03-1,0
0,32 18,42 0,53 0,02-1,0
0,32 21,05 0,51 0,00-1,0
6,33 21,05 0,5 0,03-1,0
0,33
SE (Scale Effclency) r o i th/lu fiOa aiu vio
5,26 0,68 0,17-1,0
0,27 10,53 0,85 6,66-1,6
0,21 5,26 0,72 0.02-1.0
0,30 7,89 0,86 0,22-1,0
0,2
Til da hoa aiuta
5,26 0.64 0,19-1,0
0,26 10,53 0,87 0,34-1,0
0,18 5,26 0,76 0,22-1,0
0,23 7,89 0,89 0,4-1,0
0,16 Ngudn: Tinh toan tu sd li$u di4u tra.
TRli3NG DAl HQC NHA TRANG • 105
Tgp chi Khoa hgc - Cong nghe Thuy sdn S6l/m
- Trong tnrong hap do lu^g hieu quS ky thuat theo huvng tdi thiiu hoa dau vao.
Md hinh CRS ehi ra rang tgl tinh Khanh Hoa nam 2007 d tdi 94,74% sfl doanh nghiep chl bien khflng dat dugc higu qua ky thudt vd he sfi hieu qua ky Ihuat trung binh la 0,27; nam 2008 la 89,47%
va 0,44; nam 2009 Id 94,74% va 0,36; nam 2010 la 92,11% va 0,43 K i t qua khang djnh so doanh nghigp dat hieu qua cfl xu hudng lang trong nam 2008 va 2010, tuy nhien, he sfi hieu qud lat thip trong hai nam 2007, 2009;
IV16 hinh VRS chi ra ring tgi tinh Khanh Hda nam 2007 cfl ldi 84,21% so doanh nghiep che bien khflng dgt dugc hieu qua ky thuat va hg so higu qua ky thuat trung binh la 0,46; nam 2008 Id 81,58%
va 0,54, nam 2009 Id 78,95% va 0,5; nam 2010 la 78,95% va 0,51. Kit qua khdng dinh so doanh nghiep dat hieu qua ed xu hudng tang d i n tir 2007 den 2010, ben cgnh do, tig so hieu qua lgi tang d i n tu nam 2007 din 2010;
IV16 hinh SE chi ra rang tai Hnh Khanh Hfla nam 2007 CO ldi 94,74% doanh nghiep chua dat higu qua theo quy mfl vd he so hieu qua quy mfl trung binh la 0,68; nam 2008 la 89,47% va 0,85, nam 2009 la 94,74% va 0,72; nam 2010 Id 92,11% vd 0,86. Kit qud khang dinh sfi doanh nghigp dat higu qua theo quy mfi cfl xu hudng tang trong nam 2008 va 2010, luy nhlfln, he so higu qud tai thip trong nam 2007 den 2009.
- Trong tnrang hgp do luang hidu qui ky thu$t theo hut/ng toi da hda dau ra:
Mfl hinh CRS chi ra rang lai linh Khanh Hda ndm 2007 cfl tdi 94,74% so doanh nghiep ehe biln khfing dat duge higu qua ky thudt va he so hieu qud ky thuat trung binh la 0,27; nam 2008 la 89,47%
vd 0,44; nam 2009 la 94,74% va 0,36, nam 2010 la 92,11% va 0,43;
Mfl hinh VRS chi ra rang lai linh Khanh Hoa nam 2007 cfl ldi 84,21% sfi doanh nghiep c h l biln
Bang 3. Ket qua tang (giam) tai edc doanh nghiep che biln thuy san tinh Khdnh Hda theo phuang phdp DEA
khflng dat dugc hieu qud ky thuat vd hg sfi hl^
qua ky thugt trung binh la 0,48; nam 2008 la 81,58%
va 0,53; nam 2009 la 78,95% va 0,51; nam 2010ia 78,95% vd 0,5;
Mfl hinh SE chi ra rang tai tinh Khdnh Hoa nam 2007 cfl tdi 94,74% sfi doanh nghiep ehe bi^n khdng dat dugc hieu qua quy mfi vd hg sfi hieu qua quy mfi trung binh la 0,64; nam 2008 Id 89,47% vi 0,87; nam 2009 la 94,74% vd 0,76; nam 2010 li 92,11% va 0,89.
2. Mux giam diu vao vd tang dau ra de dat hl^u qua ky thugt
Kit qua tang (giam) theo md hinh phdn tich dudng bao du lieu duge trinh bay nhu d bang 3.
- Trong tnrang hap toi thiiu hoa dau vio:
Mfi hinh CRS ehi ra rang ty le TS d n glim tnjng binh nam 2007 Id 81,34%, cua NVCSH gi^m 80,72% so vdi muc hien tgi, nam 2008 gidm 55,45%
dfii vdl TS vd giam 63,10% doi vdl NVCSH, nam 2009 gidm 71,13% dfii vdi TS vd giam 77,81% flji vdl NVCSH, nam 2010 giam 61,19% dot vdlTSvi gldm 65,23% doi vdl NVCSH,
Mfl hinh VRS chi ra rang ty- ie TS can gidm trung binh nam 2007 la 52,2%, cOa NVCSH gidm 52,91%
so vdi mue hign tai, nam 2008 gldm 45,55% dot voi TS va gidm 49,66% doi vdl NVCSH, nam 2009giim 72,13% dfil vdi TS va 77,81 % doi vdl NVCSH, nam 2010 gidm 41,91% dfil vdl TS vd giam 47,91% dSi vdl NVCSH
- Trong truing htyp toi da hda dau ra:
Mfl hinh CRS chi ra ring nam 2007 ty 1$ OT d n tang Id 79,39% so vdi mye tieu, nam 2008 ISng 59,32%, nam 2009 lang 73,31%, nam 2010 ting 60,57%,
Mfi hinh VRS ehi ra rang nam 2007 ty IS DT d n tang la 43,14% so vdi muc lieu, nam 2008 tang 40,36%, nam 2009 tang 38.78%, nam 2010 lang 39,86%.
Chi tieu
I.Nam 2007
- Ty Ig d n giam (tang) (%) - Muc d n gidm (tang) + Trung binh
CRSTE (Constant Retum to Scale) To; tttieu hda dau vao
Tdi san (TS) 81,34
43.220 Nguon vfin chu sd hu'u
(NVCSH) 80,72
12 070 TSldahda
daura Doanh thu
(DT) 79,39 411.180
VRSTE ' (Variable Retum to Scale) « . Toi thiiu hia dau vio T^i sfin
(TS) 52,20 27.739
Nguon vfin chu s6 hu'u
(NVCSH) 52,91
7.912 Til OB Ilia
,)jaa Doanh ttiu
(DT) 43,14
80.994
106 . T R U O N G DAi HOC NHA TI5ANG
TQP chi Khoa hpe - Cong nghi Thiy san S61/2013
+ Khoing bifin thien + Dfi lech chuan 2. Nim 2008
- Ty le can gtam (tang) {%) - lvli>c c^n giam (tang) + Trung binh -t Khofing bi^n thien + Dfi ifich chuan 3. Nam 2009
- Ty Ifi c^n giam (tang) (%) - luluc can giam (tang) + Tnjng binh + Khoing biln thifin + Dfi ifich chuan 4. Nam 2010
- Ty Ifi can giam (tang) (%) - Muc c4n giam (tang) + Trung binh + Khoing bien thien + Dfi ifich chuin
0 -257.006 64.593
55,45
32.400 0 -226.355
54.305 72,13
45.692 0-391.105
77.772
61,19 39.669 0 -259.832
62.484 0 -90.693
19.502
63,10
11.025 0-73.517
18.657 77,81
18.810 0-152.503
33.560
65,23 17.646 0-141.713
32.226
0 -2.873.013 657.149
59,32
187.768 0 -1 489.529
339.977 73,31
303.024 0 -3.047.326
599.083 60,57
197.424 0-1.495.418
340.972 0 -157.067
42.148
45,55
26.616 0-165 690
44.483 44,84
28 402 0-180.930
47.083 41,91
27 174 0-195.241
47.144 0 -55.426
12.542
49,66
8.677 0- 69 977
15.378 47,97
11.598 0-120.204
23.006
47,91
12.961 0-126.318
24.728 0-398.019
86.937
40.36
87.149 0 -629.617
141.186 38,78
69.883 0-410.733
88.365
39,86 85.183 0-478.616
122.716 Ngu6n Tinh to6n tCf s614u diiu fra
IV. K £ T LUAN VA KI^N NGHI 1. Kit luan
Nghien cifu ndy sir dyng md hinh phdn tieh dudng bao dtr ligu (DEA) tfii thilu hda d i u vdo vd t l i da hfia d i u ra trong trudng hgp quy mfi khflng dnh hudng d i n k i t qud sdn xult (CRS), quy mfl dnh hudng d i n kit qud san xult (VRS), higu qud quy mfl (SE) vdi mflt biln dau ra vd hai biln dau vdo d l do tudng hieu qud ky thugt cho cdc doanh nghigp c h l biln thuy sdn tfnh Khdnh Hfla tir nam 2007-2010.
Kit qud nghidn ctru chi ra ring nlu str dyng phuang phdp CRS tfii thieu hfla d i u vdo, tgl tinh Khdnh Hfla nam 2007 cd tdi 94,74% sfi doanh nghigp c h l biln khflng dat duge higu qud k? thual, ndm 2008 cd 89,47%; nam 2009 cfl 94,74%; nam , 2010 d 92,11% vd muc d n giam tdi sdn trung binh i ndm 2007 Id 81,34%, mde ein gidm nguon vfin chu
! sd huu tmng binh Id 80,72%; nam 2008 la 55,45%
|Vd 63,10%; ndm 2009 Id 71,13% va 77,81%; nam : 2010 Id 61,19% vd 65,23%. Nguge Igi, n l u sii' dung . phuang phdp tot da hfia dau ra CRS, ndm 2007 cfl I ldi 94,74% khfing dgt dugc higu qud ky thugt; nam 2008 cfi 89,47%; nam 2009 d 94,74%; nam 2010 d 92,11% vd mirc doanh ttiu d n tang ttigm tnjng
binh nam 2007 la 79,39% so vdl myc tiflu, ndm 2008 la 59,32%; nam 2009 Id 73,31%; nam 2010 la 60,57%.
Nlu sd dyng phuang phdp phap VRS tfii thifiu hda dau vao, ndm 2007 ed tdi 84,21% sfi doanh nghigp chfi biln khflng dat dugc hteu qud ky thugt, nam 2008 ed 81,58%; nam 2009 d 78,95%; ndm 2010 cfl 78,95% va mirc d n giam tai sdn tnjng binh nam 2007 la 52,2%, muc can giam nguon von chu sd hiru tnjng binh Id 52,91%; nam 2008 td 45,55%
va 49,66%; nam 2009 la 44,84% va 47,97%; ndm 2010 la 41,91% va 47,91, Nguge lgi, nlu str dyng phuang phap loi da hda dau ra VRS, nam 2007 ed tdi 84,21% so doanh nghigp c h l biln khdng dat duge higu qua ky thugt, ndm 2008 ed 81,58%;
ndm 2009 d 78,95%; nam 2010 cfl 78,95% va muc doanh thu trung binh d n tdng them nam 2007 Id 43,14% so vdi muc tieu; ndm 2008 Id 40,36%; nam 2009 la 38,78%; nam 2010 la 39,86%.
Nlu sir dyng phuang phdp phap SE tfii thilu hfla dau vdo thi k i t qua chi ra rang ndm 2007 cfl tdi 94,74% doanh nghigp chua dat higu qua theo quy mfl, nam 2008 d 89,47%; nam 2009 cfl 94,74%;
nam 2010 cfl 86,84%. Nguge lai, nlu sd dyng phifong phdp phdp tfii da hfla dau ra, nam 2007
TRLfCJNG DAl HQC NHA TRANG • 107
Tgp chi Khoa hoc - Cong nghe Thuy sdn
s&i/m
CO tdi 94,74 % so doanh nghiep chl bien khflng dgt dugc higu qud quy mo, nam 2008 cfi 89,47%; ndm 2009 ed 94.74%; nam 2010 cfl 92,11%.
2. Kien nghj
K i t qua ctia nghien cuu la mflt kenh thflng ttn giup cho d c doanh nghigp ehi bien thuy san lai Khdnh Hda cdi lao d c yeu to dau vao, giiip doanh nghigp dgt higu qua eao han, tilt kigm ehi phi han, hogc ldng dau ra d l tang doanh thu dya trfln cdc y l u to diu vdo d s i n . Cac doanh nghigp chl bien thuy sdn chua dgt higu qua ky thual Id hg cfl hai phuang dn d l gidi quylt: thu nhat Id giam cdc y l u to diu vdo; thu hai Id ldng cdc y l u to diu ra. Cu the, neu su dung phuang phdp CRS toi thilu hoa dau vdo, doi vdi cae doanh nghigp Oiiiy san tai tinh Khdnh Hfla nam 2010 chua dgt higu qua ky thuat, hoan
todn d kha nang d l d e doanh nghigp dgt hieu qid ky thugt bang each d t g i a m lang phi ngufin t y c M vao md van giif nguyfin ket qua dau ra. Vl ttil cdc doanh nghigp d n giam tai sdn trung binh la 39.669 trieu dong (61,19%) va nguon vfin chti sd hiru trung binh la 17.646 trigu dfing (65,23%). Nguge tgl, n^
str dyng phuang phdp tfii da hfia d i u ra CRS, mui;
doanh thu d n tang them trung binh Id 197.424 tn$u dfing (60,57%). N l u sir dyng phuang phdp phip VRS tfii thifiu hoa d i u vao, ndm 2010 mtre d n gldm ' ldi san ttung binh Id 27.174 trigu dong (41,91%) vi ngufin vfin chii sd huu trung binh Id 12.961 tri^u dfing (47,91%). Nguge Igi, nlu sij dyng phutmg phap tfii da hfia d i u ra VRS, nam 2010 mircdoarA thu tnjng binh d n tang them Id 85.183 trigu dong (39,86%) so vdi myc tteu.
TAI LIEU THAM KHAO
1. CharaesA., CooperW.W, and Rhodes E. (1978.): Measunng the Efficiency of Decision Making Units. European Joimml of Operation Research.
2. Nguyen VSn Ngoc, Nguyin Thanh Cuimg (2009), Phan tich hieu qua ky thu^t trong nginh cbi bien thuy san Khinh Hoa, T(p chi Khoa hpe cong ngh^ ttuiy san, so 3/2010 - Truing D?i hpe Nha Trang.
3. Nguyen Trpng Luong, Dpng Hoang Xuan Huy (2012), So sinh hipu qua sir dung cic yeu td d2u vao cho nghe ludri vay c4 cmn tpi Cam Ranh va hJha Trang, Tap chi cong nghp thiiy sin, so 1 /2012 - Tnrdng Dai hoc fftia Trang.
4 Sherman and Zhu, 2006 Service Productivity Management Improving Service Performance using Data Envelopmepl Analysis (DEA). Spnnger Science-1-Business Media, LLC: 1-127
5 Tomothy J.Coelli, et al, 2005. An introduction to efficiency and Productivity Analysis. Springer Science-i-Business Media, Lnc 1-181.
108 • TRUSNG DAI HOC NHA TRANG
