But critics have challenged the financial stability of some of the plans, suggesting that they are based on unrealistic economic projections.

It is unfortunate that the X-Type had such unrealistic projections thrust on it.

The Path has been criticized by some commentators and analysts for its allegedly unrealistic projections and assumptions about future levels of discretionary spending, tax revenue, health care costs, and unemployment.

Mr. Lutkowski said the estimate was based on unrealistic projections of growth in revenue and said a deficit of nearly 10 percent was more likely.

Democrats said the assumption that the budget could be rebalanced by 2005 was built on unrealistic economic projections.

It also reduces the temptation to "pay" for desirable programs by making unrealistic projections about revenue.

These unrealistic projections can also be psychologically depressing for a lot of people who think they'll never have enough.

The loan has been criticized for having been based on "careless assumptions", assuming unrealistic projections for future water sales.

A few vague and unrealistic projections are enough to justify going ahead.

But he tried to draw a contrast by suggesting that Mr. Bush relied on rosy, and perhaps unrealistic, projections of surpluses.