Question

why is water transportation cheaper than road or air transportation?​

Answer 1

Answer:

Water transport is the cheapest and the oldest mode of transport. It operates on a natural track and hence does not require huge capital investment in the construction and maintenance of its track except in case of canals. The cost of operation of water transport is also very less. It has the largest carrying capacity and is most suitable for carrying bulky goods over long distances. It has played a very significant role in bringing different parts of the world closer and is indispensable to foreign trade.

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Answer 2

Answer:

• No fixed assets (like roads or rails) to maintain. (You need dockyards, of course, but rail and trucks also need yards, so those costs match.)

• Moving assets are lower cost per ton carried. A ship that carries 7000 times as much cargo as a truck does not cost 7000 times as much to build.