There are lots of ifs here, but investors in ethanol producers were heartened at first.
Labour said the government had made a "no ifs no buts" pledge to slash net migration.
According to the IFS, real spending grew by 1.3% a year between 1979 and 1990.
But it is another reminder of why the IFS is a useful institution to have around.
IFS, to keep their savings liquid rather than lock them up in an inflexible pension scheme.
That's a lot of ifs, of course -- uncertainties we hope to revisit in a full review.
"Perhaps the biggest concern is the incoherence it creates in the welfare system, " the IFS report said.
But the IFS responds: "Different plausible ways of allocating defence spending would not qualitatively change the overall picture".
No ifs, ands, or buts -- any room in negotiating on that specific aspect of the fiscal cliff?
Sega can reasonably hope that is one too many ifs for VM Labs.
Public service spending could fall by a third by 2018, the IFS said.
BBC: UK borrowing will be ?64bn more than forecast, says IFS
The government-funded study was carried out by the Institute for Fiscal Studies (IFS).
The IFS points out that Scotland's demographics look more challenging than the UK's.
Without this protection, the average budget cuts for other departments would have been 14% instead of 25%, the IFS calculated.
BBC: Budget: UK faces worst cuts since World War II says IFS
The IFS estimates that 500, 000 extra people might have to fill in these forms as a result of the change.
The great advantage of the choices we didn't make is that they exist as pristine "what ifs, " unsullied by reality.
CENTERFORSECURITYPOLICY: Iraq: right time, right place, right war
Its prospective members are not opposed to joining the European Union, but they qualify their enthusiasm with ifs and buts.
As a result, by 2013 there will be 3.1 million children in poverty in the UK, according to the IFS projections.
So my war tax refusal has been one of ifs, buts, and the character of the particular war of the moment.
" I have had issued a directive prohibiting the NSC staff itself from undertaking covert operations - no "ifs, " "ands, " or "buts.
The IFS says a solution would be to charge drivers by the mile, with higher pricing in congested areas at peak times.
But John McDonnell said that wasn't good enough - for him, there had to be "absolute solidarity" - "no ifs no buts".
The IFS said that the difference had been particularly strong since 2008.
The IFS report reveals where the axe has fallen in county halls.
BBC: Local council budgets squeezed 'until at least 2020-21'
There are other important challenges from the IFS to the independence campaign.
The IFS forecasts two years "dominated by a large decline" in incomes.
Sinn Fein, who were not involved in the talks, said all that was on offer was "a list of maybes and what ifs".
The IFS then goes on to make rough estimates of the distributional impact of all the cuts and shows an ever stepper regressive curve.
The report by the Institute for Fiscal Studies (IFS), funded by the the RAC Foundation, suggested a "radical overhaul" of road taxes was needed.
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