• Title, Summary, Keyword: Technical Efficiency

Search Result 1,466, Processing Time 0.044 seconds

Trends in the Efficiency of Korean National University Libraries : A DEA/Window Analysis Approach (DEA/Window를 이용한 국립대학도서관의 효율성 추세변화 분석)

  • Han, Ha-Neul
    • Journal of Information Management
    • /
    • v.40 no.3
    • /
    • pp.41-60
    • /
    • 2009
  • This study utilizes DEA/Window analysis in order to investigate the relative efficiency levels of korea national university libraries during the period of transition 2004-2008. The empirical results show the following findings. Firstly, a technical efficiency was not efficient which was a scale efficiency rather than a pure technical efficiency in 2008. Secondly, a technical and pure technical efficiency has increased steadily from 2004 to 2008(but a technical, pure technical efficiency has decreased since in 2008). As a result, a technical efficiency increase can be explained by a pure technical efficiency increase.

The Analysis of Oceans and Fisheries Human Resources Development Education Efficiency Using Bootstrap-DEA (Bootstrap-DEA를 이용한 해양수산 인재 양성교육의 효율성 분석에 관한 연구)

  • Kim, Jong-Cheon;KIM, Byoung-Ho
    • The Journal of Fisheries Business Administration
    • /
    • v.47 no.1
    • /
    • pp.63-86
    • /
    • 2016
  • The purpose of this study is to investigate production efficiency of Oceans and Fisheries Human Resources Development Programs Efficiency using Bootstrap-DEA. The study extracts 33 officials curriculum, 11 fisheries managers curriculum for its analytical. First, the study estimates technical, pure technical, and scale efficiency of each curriculums based on traditional DEA under the assumption of CRS and VRS. 8(official 7, managers 1) curriculums are identified as efficient DMUs under the CCR-model, and 13(official 10, managers 3) under the BCC-model. We provide inputs that allow inefficient curriculum to be efficient DMUs on a production frontier, and a reference set for their bench-marking. Second, rank test, Wilcoxon-Mann-Whitney test to find a statistical significance of heterogeneity existing in efficiences between Bootstrap-DEA tenical vs Bootstrap-DEA pure technical was no significant difference. We have identified that G10, 11, 12 13, 25, 31, 33, 39 curriculums are the most efficiently produced in the technical and pure technical efficiency. Also we managed to measure the inefficiency which exists in efficiently produced curriculums when estimating the bias corrected efficiency scores. In Technical efficiency, Operation and facility was significant at the 10%. In Pure technical efficiency, facility was significant at the 10%.

Technical Efficiency, Scale Efficiency, Environmental Efficiency and the Analysis of the Decision Factors (기술효율, 환경효율, 규모효율과 그 결정요인 분석 -한국농가의 소득계층을 중심으로-)

  • Kang, Sang-Mok;Kim, Taesoo;Kim, Taegu;Lee, Dongmyong
    • Environmental and Resource Economics Review
    • /
    • v.14 no.3
    • /
    • pp.595-626
    • /
    • 2005
  • The purpose of this paper is to estimate technical efficiency, scale efficiency, and environmental efficiency by income level of Korean farms, and analyze the factors to decide three efficiencies. Depending on the non-parametric methods, we estimate technical using inputs and outputs of total farms without assuming of goods or behavior of optimization. The average technical efficiency of total firms under constant return to scale and strong disposability is 0.437. The technical inefficiency was caused by 47.7% in pure technical inefficiency, 11.3% in scale failure, and 3.2% in environmental inefficiency. The number of firms under increasing return to scale occupied almost 70% and 27% of total firms respectively. Higher are income class, middle debt & long debt per asset, and N effluents per cultural land, higher technical efficiency. The increases of BOD discharges per cultural land and machines per cultural land deteriorate environmental efficiency.

  • PDF

An Analysis on Technical Efficiency of Apiculture Farming in Korea (양봉농가의 기술적 효율성 분석)

  • Yeo, Min-Su;Hong, Seung-Jee
    • Korean Journal of Agricultural Science
    • /
    • v.37 no.3
    • /
    • pp.509-514
    • /
    • 2010
  • The purpose of this study is to analyze the technical efficiency and its determinants for Korean Apiculture farming by using from door to door and e-mail inquiry data. The analysis was implemented through the Cobb-Douglas stochastic frontier production function (SFPF) model including the technical inefficiency effect model for cross-sectional data. To measure the SFPF model, honey production was used for a dependent variable, and for input variables labor cost, preventive cost, material cost, feeding cost, depreciation cost were used. Farmer's age, farmer's career, farming scale, full-time or half-time firm and movement or fixed firm variables were used to measure the inefficiency effect model. The average technical efficiency on apiculture farming in Korea is estimated to be 0.8112. It means that there were technical inefficiency of about 18.88% in Korea apiculture farming. In this study there are some suggestions which could increase the technical efficiency of Korean apiculture farming.

Efficiency of trucks in logistics: An evaluation with Data Envelopment Analysis (물류활동에 종사하는 트럭의 효율성: 데이터 포락 분석 활용)

  • Kim, Tae-Ho;Choi, Kwang-Ho
    • 한국IT서비스학회:학술대회논문집
    • /
    • /
    • pp.679-684
    • /
    • 2007
  • This paper proposes a scheme to estimate the technical efficiency of trucks in logistics as performance measure by Data Envelopment Analysis (DEA). The result of technical efficiency estimation shows that there exists a substantial opportunity for improvement in technical efficiency of trucks and also the heterogeneity in the technical efficiency among trucks.

  • PDF

Evaluating Production Efficiency in a Fisheries Wholesale Sector (수산물 도매업의 생산 효율성 평가에 관한 연구)

  • Pyo, Hee-Dang;Kim, Jong-Chean
    • The Journal of Fisheries Business Administration
    • /
    • v.41 no.3
    • /
    • pp.21-44
    • /
    • 2010
  • The paper estimates changes in total factor productivity and technical efficiency change index and technical change index using Malmquist productivity index(MPI) in fisheries wholesale products over the time period of 2006 through 2008. The model considers a number of employees and operating costs as input factors, and sales and EBIT(earnings before tax and interest) as output factors. The results indicate that, between 2006 and 2007, there is in general technical progress in which TCI(Technical Change Index) indicates 2.7994 in the sale scale of 50 million won through 100 million won, while there are no efficiency in TECI(Technical Efficiency Change Index), PECI(Pure Efficiency Change Index) and SECI(Scale Efficiency Change Index) which are estimated to be around 1. Between 2007 and 2008 technical efficiency and technical progress are generally declined, compared to those of 2006 and 2007. Wilcoxon's rank-sum test shows that there are statistically significant difference of TCI and MPI between two periods at the level of 5%, while there are statistically significant difference of TECI, PECI and SECI between two periods at the level of 5%.

Efficiency Analysis of Organic Farm Management (유기농업 실천농가의 경영효율성 분석)

  • Kim, Chang-Gil;Lee, Sang-Gun;Kim, Tae-Young
    • Korean Journal of Organic Agriculture
    • /
    • v.17 no.1
    • /
    • pp.19-33
    • /
    • 2009
  • This paper evaluates the technical efficiency of organic farm management practices and studies its main determinants in Hongdongmyeon of Hongsung county, Chungnam province. The analysis is performed in two stages. First, the efficiency is measured via the nonparametric "Data Envelopment Analysis" (DEA) technique. The DEA models are constructed not only to assess the overall technical efficiency of organic fanning practices but also to evaluate the management efficiencies. In a second stage critical determinants of efficiency are determined using a Tobit model. In this analysis the focus is on technical and socio-economic variables. The analytical results show that technically efficient farms is about 13 percent and the mean technical efficiency is found to be 0.73 indicating that many farms are not operating at an efficient scale.

  • PDF

Technical efficiency of the coastal composite fishery in Korea: a comparison of data envelopment analysis and stochastic frontier analysis

  • Kim, Do-Hoon;Seo, Ju-Nam;Lee, Sang-Go
    • The Journal of Fisheries Business Administration
    • /
    • v.41 no.3
    • /
    • pp.45-58
    • /
    • 2010
  • This study estimated the technical efficiency of coastal composite fishery in Korea by using the data envelopment analysis (DEA) and the stochastic frontier analysis (SFA) methods, and the results on the respective method were compared. In the DEA method, the constant returns to scale (CRS) and the variable returns to scale (VRS) output-oriented DEA models were separated and technical efficiencies were estimated, respectively. The average estimated value of technical efficiency by the SFA method (0.633) was found to be lower than that by the VRS-DEA method (0.738), while it was higher than that by the CRS-DEA method (0.479). It was found that strong correlation exists between the SFA method and the VRS-DEA method. The method which can utilize both methods in mutually complementing way for the estimation of technical efficiency was also considered.

An Analysis of Technical Efficiency in Korean RCC/RSC (우리나라 RCC/RSC별 운영효율성 분석)

  • Jang Woon-Jae;Keum Jong-Soo
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
    • /
    • /
    • pp.191-196
    • /
    • 2004
  • This paper is to measure and ealuates the technical efficiency, pure technical efficiency and scale efficiency with three inputs and two outputs with the use of DEA(data envelopment analysis) in Korean RCC(Rescue Co-ordination Center/RSC(Rescue Sub-Center). Several conclusion emerge. first the average efficiency of overall technical efficiency measure about $91.03\%$ and pure technical efficiency $96.80\%$ is much large then scale efficiency $93.83\%$. It means that inefficiency has much more to do whit the inefficient utilization of resources rather then the scale of production. second, DRS(decreasing return to scale) is Tongyeong and IRS(increasing return to scale) is Incheon, Taean, Gunsan, Yeosu, Ulsan, Donghae in RCC/RSC. finally, inefficiency RCC/RSC. have to benchmarking with reference sets.

  • PDF

Effects of Technology Transfer Policies on the Technical Efficiency of Korean University TTOs

  • HAN, JAEPIL
    • KDI Journal of Economic Policy
    • /
    • v.40 no.4
    • /
    • pp.23-45
    • /
    • 2018
  • The Korean government has provided various policy devices to boost technology transfers between academia and industry since the establishment of the Technology Transfer Promotion Act in 2000. Along with the enactment of the law, the Korean government mandated the establishment of a technology transfer office at national and public universities and encouraged technology transfer activities. Despite the quantitative expansion of technology transfer offices (TTOs), operational inefficiency was brought up. As a supplementary policy, the Korean government implemented a line of projects to support the labor and business expenses of leading TTOs. This research questions whether the project greatly affected the technical efficiency of TTOs. We analyze publicly available university panel data from 2007 to 2015 using a one-step stochastic frontier analysis. The results suggest that the program was marginally effective at shifting the technical efficiency distribution to the right on average, but it failed to maximize its impact by diversifying the policy means based on targets. The marginal effects of the program on technical efficiency differ according to the research capability and size of each school. We also compare technical efficiency against the licensing income at the start and end of the program. Technical efficiency increased for the leading TTOs, and both measures show improvements for unsupported TTOs. Our empirical results imply that diversifying the program for universities with different characteristics may have improved the effectiveness of the policy.