Abstract
In order to make better assessment of intermodal container transportation, the authors have analyzed DEA (Data Envelopment Analysis) method in deciding the most favorable container line from Serbian ports to the near East ports. To allow for applications to a wide variety of activities, term organization unit (Decision Making Unit – DMU) refers to container line. DEA Method has been used to give the estimation of efficiency of operations in organization units. Organization units are container lines in which containers are loaded with mineral water in bottles. The main points in transportation net are factories of mineral water (Knjaz Milos Arandjelovac and Minaqua Novi Sad), Serbian ports ( the Port of Belgrade, the Port of Danube Pancevo and the Port of Prahovo) and nine Mediterranean ports in the near East area. Amount of mineral water that is dispatching from factories to Serbian ports is equal to amount that can be loaded to one container. Having containerized in Serbian ports mineral water is reloaded to the river–sea ships with unified dimensions, so the ships are continuing to travel to the near East ports. The near East ports are the ending points. Input variables in DEA problem are transportation costs and strategy resistance factor in function of container line. Time traveling of one container is in a function of container line and transportation capabilities of container lines are output variables. Transportation costs are counted on the base of integer programming method and Dijkstra algorithm.
Highlights
This work investigates the introduction of data envelopment analysis (DEA) method, in an effort to measure efficiency of transportation of mineral water in containers from factories in Serbia to the near East ports
Amount of mineral water that is dispatching from factories to Serbian ports is equal to amount that can be loaded to one container
Having containerized in Serbian ports mineral water is reloaded to the river–sea ships with unified dimensions, so the ships are continuing to travel to the near East ports
Summary
This work investigates the introduction of DEA method, in an effort to measure efficiency of transportation of mineral water in containers from factories in Serbia to the near East ports. Creators of DEA method (Charnes et al 1978) suggested nonparametric approach for evaluating efficiency They minimized multiple inputs and outputs on one ‘virtual’ input and output on the base of weight factors. Tongzon (2001) identified factors influencing port efficiency and used six of those factors as inputs: the number of cranes, the number of container berths, the number of tugs, size of the terminal areas, length of delay and size of labor force in measuring the efficiency of Australian ports The outputs of his DEA model include cargo throughput and ship working rate. The DEA model developed by Tongzon (2001) was confined to a single period
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