He would not say if he was using the Administration's economic assumptions, but committee members did.

The critics said the plan was based on overly optimistic economic assumptions.

The changes come at a time when nearly all of Sweden's economic and political assumptions are in flux.

He defended the economic assumptions, arguing that the price of oil could change quickly.

Another possible risk of state tax cuts is that many are based on optimistic economic assumptions.

Mr. Bush has not made public the economic assumptions on which his budget is based.

The new budget projections are based on revised economic assumptions made public by the Administration earlier this month.

They rest on economic and political assumptions that, while reasonable, are by no means certain.

But that estimate was based only on differences in economic assumptions.

As such, another economic assumption of old has been upended.