Each year billions of tons of cargo are transported by the world shipping industry. It is important to know what carrying capacity is required for transporting world seaborn trade. More importantly, one should be clear about the factors that determine the level and types of maritime transport supply.
For a given size of seaborn trade, the size of level of supply of shipping services is a question of the productivity of maritime transport supply. In other words, if the supply is measured as carrying capacity in term of ship's deadwieght tons (DWT), the question is then to know how many tons of cargo, and more precisely, how many ton-miles that each DWT transport during any given period, normally a year.
The level of maritime transport supply of any particular trade or shipping route is generally influenced by the following five factors :
For a given size of seaborn trade, the size of level of supply of shipping services is a question of the productivity of maritime transport supply. In other words, if the supply is measured as carrying capacity in term of ship's deadwieght tons (DWT), the question is then to know how many tons of cargo, and more precisely, how many ton-miles that each DWT transport during any given period, normally a year.
The level of maritime transport supply of any particular trade or shipping route is generally influenced by the following five factors :
- Type of Ships, Specialized and purposely ships are more productive than multipurpose and general cargo ships. After the second world war, shipping services have gone through a continuous process of specialization. The share of multipurpose ships has been rapidly declining (to about 10% of world total DWT in the early 2000's). Such specialization contributed enormously to the improvement of service quality, the reduction of cost and the increase in productivity.
- Sailing Speed, Ship carrying capacity increases when it sails faster. The sailing speed is one of the
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