지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The purpose of this paper is to show the empirical measurement way for using categorical variable in DEA(data envelopment analysis) efficiency under input oriented CRS(constant returns to scale) and VRS(variable returns to scale) condition for 35 world container seaports in 2007 data for 4 inputs(berth, depth, total area, and number of crane) and 1 output( container handling amount, TEU). The main empirical results of this paper are as follows. First, containerports in category 1 show the efficiency increase in categorical BCC model, compared to the general BCC model. Second, individual categorical model, general categorical model, and the excluding categorical model show the rapid increase of efficiency value compared to the general CCR and BCC models. The policy implication to the containerport policy planners is that they should introduce the new method like the categorical variables in DEA for enhancing the accuracy of measuring the containerport's efficiency by considering the noncontrolable and controlable varialbles, and categorical variables after grouping the DMUs or classifying the inputs or outputs.
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참고문헌 (17)
참고문헌 신청
Banker, R. D. / 1984 / Some Models for Estimating Technical and Scale Inefficiencies in Data Envelopment Analysis / Management Sciences 30 : 1078 ~ 1092
Banker, R.D. / 1986 / Efficiency Analysis for Exogenously Fixed Inputs and Outputs / Operations Research 34 (4) : 513 ~ 521
Banker, R.D. / 1986 / The Use of Categorical Variables in Data Envelopment Analysis / Management Science 39 (3) : 384 ~ 386
Charnes, A. / 1978 / Measuring the Efficiency of Decision Making Units / European Journal of Operational Research 2 : 429 ~ 444
Cooper, W.W. / 2000 / Data Envelopment Analysis / Kluwer Academic Publishers
Banker, R.D. / 1986 / Efficiency Analysis for Exogenously Fixed Inputs and Outputs / Operations Research 34 (4) : 513 ~ 521
Banker, R.D. / 1986 / The Use of Categorical Variables in Data Envelopment Analysis / Management Science 39 (3) : 384 ~ 386
Charnes, A. / 1978 / Measuring the Efficiency of Decision Making Units / European Journal of Operational Research 2 : 429 ~ 444
Cooper, W.W. / 2000 / Data Envelopment Analysis / Kluwer Academic Publishers
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