Since the mechanism by which equilibrium is attained is not in general specified (although see Tobin, 1955, Solow, 1956, and Meade, 1961), it is a heroic assumption.

But the major candidates either pretend the problem does not exist, propose to hand it to a commission, or wish it away with heroic assumptions about economic growth.

There are obvious reasons why not, but its absence contributes to a continuation of failed projects because authors make heroic assumptions and quantify them to produce fanciful targets.

As others have pointed out, there must have been some pretty heroic assumptions made about how people would have voted under the different systems.

He said the deal had "not been made on heroic assumptions about revenue" and stood "on its own merits".

Econometric studies, although based upon some heroic assumptions, suggested a positive effect upon most EC macro economic measures.

The deal had "not been made on heroic assumptions about revenue," Miles Roberts, DS Smith's chief executive, said.

Mark Stobbs, the organisation's director of legal policy, said: "We have been through the department's impact assessments and there seem to have been some pretty heroic assumptions made."

They've made some heroic assumptions.

Every chancellor makes "heroic assumptions" when presenting a budget or - as George Osborne did today - a mini-budget in mid-year.