The projections for 1998 and 1999 published with the budget day documentation were based on our assessment of the likely course of the economy over 1997 and the following two years. The Department's internal economic expertise, rather than a specific econometric model, was used in the preparation of the projections, though the information obtained from model exercises about the economy's behaviour informed the overall forecasting process.
The sensitivity of the projections to policy changes would of course depend on the policy change specified. If the Deputy wishes to supply me with a set of policy changes, I can provide an analysis of the sensitivity of the budgetary projections to such changes.
With regard to expenditure programmes for 1998 and 1999, the notes in the budgetary documentation state clearly that the projections for 1998 and 1999 reflect
"(a) the full year impact of the measures announced in the 1997 budget"
and