Ratemaking in international air transport is a matter of vital importance for airlines, consumers and Governments. For airlines, because the level of international air fares and rates forms one of the bases of their profit-making ability. For consumers, because that level determines whether they can afford the use of international air transport. For Governments, because they, as the guardians of the interests of both the airlines and the consumers, have the task to strike a just balance between those interests. International air fares and rates are of two kinds: scheduled and non-scheduled....