This article deals with transport as a service and as an investment sector. It shows the special role of transport in national economy and draws attention to some problems, which are characteristic and of particular importance to LDCs.

The most effective way of preventing damage of any kind is to make the originator of the damage liable and to require him to rectify it. How can this principle, that works perfectly if a private good is damaged, be applied to the environment? Which are the advantages and limitations of a...