1.   Airline costs have fallen considerably.

2.   Costs should fall as new technology comes on-stream.

3.   If the cost of fibres falls sufficiently, Telecom will start using fibres for its Junction networks inside city areas.

4.   In manufacturing, labor costs have actually fallen.

5.   In order to improve matters, installation costs must fall.

6.   Thus many electors can vote for extra spending knowing the cost will fall elsewhere.

7.   Labor costs have actually fallen.

8.   The benefits of reaping economies of scale depend upon how far costs fall as output levels are increased.