1.   Steady-state forecasts are always based on some assumptions about social system behaviour.

2.   This forecast is based on current economic trends.

3.   Analysts base their forecasts on recent history.

4.   Bancomer based its forecast after repeated signs of robust economic expansion.

5.   Both forecasts were based on the assumption that rents in New York City could only go up.

6.   Brewster, unfortunately, has little to base his forecast on.

7.   But he cautioned that weather and climate forecasts are based on very finite data, and that sweeping conclusions should be resisted.

8.   It bases its forecast on data that ranges from government statistics and industry group information to a panel of advisers and outside experts.

9.   It based the forecast on competition and the strength of the Swiss currency.

10.   MITI based its forecast on surveys of manufacturers.