• ISSN: 2148-2225 (online)

Ulaştırma ve Lojistik Kongreleri

alphanumeric journal

The Journal of Operations Research, Statistics, Econometrics and Management Information Systems

Proposal of a Two-Stage Model For Measuring The Port Efficiency And An Implication On Turkish Ports

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Samet Güner, Ph.D.


Abstract

In the port operating process, it is aimed to use various infrastructure and superstructure inputs for freight handling and serving ships and intended to generate revenue from handled freights and served ships. Therefore, two sequential stages appear in the port operating process. In this process, the outputs from the first stage are the inputs to the second stage. Port managers would aim to maximize the freight handled and the number of served ships with using the existing resources in the first stage and then, maximize the revenue from handled freights and served ships in the second stage. Data Envelopment Analysis (DEA) which is the most widely used technique to estimate port efficiency was designed for the single stage processes and it is inadequate in two-stage operations. In order to overcome this limitation, some DEA based two-stage techniques were developed and used. In this study, a two-stage DEA model was proposed for measuring the port efficiency and applied to a number of Turkish ports. Results show that two-stage DEA approach provides more proper results than those in single stage DEA when there are sequential stages. It is expected that the proposed two-stage DEA model may contribute both literature and practice.

Keywords: Data Envelopment Analysis, Efficiency, Port, Two-stages

Jel Classification: C19, C44, I18

Liman Etkinliği Ölçümünde İki Aşamalı Bir Model Önerisi ve Türk Limanları Üzerinde Bir Uygulama

Öz

Liman işletim sürecinde, çeşitli altyapı ve üstyapı girdilerini kullanarak yük elleçlemek ve limana gelen gemilere hizmet vermek, elleçlenen bu yüklerden ve hizmet verilen gemilerden de gelir elde etmek amaçlanır. Dolayısıyla, liman işletim sürecinde karşımıza birbirini takip eden iki aşamalı bir süreç çıkmaktadır. Bu süreçte birinci aşamanın çıktıları, ikinci aşamanın girdilerini oluşturmaktadır. Liman yönetimi, birinci aşamada kullanılan kaynaklar ile en yüksek seviyede yük elleçlemeyi ve en fazla sayıda gemiye hizmet vermeyi, ikinci aşamada ise elleçlenen bu yüklerden ve hizmet verilen gemilerden maksimum seviyede gelir elde etmeyi amaçlar. Liman etkinliğinin ölçülmesinde en sık kullanılan yöntem olan Veri Zarflama Analizi (VZA), tek bir sürecin etkinliğini ölçmek için tasarlanmıştır. Birbirini takip eden bir sürecin etkinliğini ölçmek için ise VZA temelli çeşitli iki aşamalı etkinlik ölçüm teknikleri geliştirilmiştir. Bu araştırmada, liman etkinliklerinin ölçümünde kullanılabilecek iki aşamalı bir VZA modeli önerilmiş ve Türk limanları üzerinde uygulanmıştır. Sonuçlar, birbirini takip eden süreçler söz konusu olduğunda, iki aşamalı modelin liman performansını tek aşamalı VZA’ya göre daha doğru bir şekilde değerlendirdiğini göstermektedir. Bu çalışmada önerilen iki aşamalı VZA modelinin hem literatüre hem de uygulamaya katkı yapması beklenmektedir.

Anahtar Kelimeler: Etkinlik, Liman, Veri Zarflama Analizi, İki Aşamalı

Suggested citation

Güner, S. (). Proposal of a Two-Stage Model For Measuring The Port Efficiency And An Implication On Turkish Ports. Alphanumeric Journal, 3(2), 99-106. http://dx.doi.org/10.17093/aj.2015.3.2.5000142149

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Volume 3, Issue 2, 2015

2015.03.02.OR.05

alphanumeric journal

Volume 3, Issue 2, 2015

Pages 99-106

Received: Sept. 16, 2015

Accepted: Dec. 27, 2015

Published: Dec. 31, 2015

Full Text [796.6 KB]

2015 Güner, S.

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