Most of the cargoes are shipped by maritime transportation in the World since itenables moving of more commodities at the same time. Transportation costs andenvironmental effects as air pollution, noise are also less compared to other modesof transportation such as highway, railway and airway. Cost is a significantdeterminant for the decision-making of consigners during mode choice. In thisstudy, an economic analysis approach for a unimodal transportation costcalculation has been presented and applied to a case study for maritime cargotransportation. Unit transportation costs for 10000 DWT cargo vessel have beencalculated considering technical and economic parameters of the vehicle. Effect ofservice speed, fullness ratio and escalation rate for future fuel cost on unittransportation cost have also been investigated and shown with graphs. It is foundout that unit transportation cost increases with the increase in service speed andescalation rate for future fuel cost and the decrease in the fullness ratio of thevessel. The model has also been run to illustrate how the optimum speed canvary with respect to escalation rate for future fuel costs and clearly seen thatoptimal speed becomes lower at high fuel escalation rates.
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