"one-off effect" is a correct and usable phrase in written English.
It is typically used to describe a unique or singular occurrence that has a specific impact or result. Example: "The new marketing strategy had a significant one-off effect on sales, but it was not sustainable in the long term."
Arminio Fraga, a former hedge-fund manager who is Brazil's new central-bank boss, warned a Senate committee last week that it would have to be "restrictive", so as to stop the one-off effect of devaluation on prices turning into inflation.
As Jan Hatzius of Goldman Sachs points out, the one-off effect of higher input prices alone could boost consumer prices for several more months.
There is no doubt that these higher prices will feed into higher inflation, but we must see if it's just a one-off effect, whether it has any secondary effects, and if it effects inflation excluding energy costs.
This was a one-off effect that is unlikely to be repeated.To sum up, Mr Woo sees QE3 as being ineffective in the sense of driving down real yields or the dollar.
Admittedly, the Government can argue that this is a "one-off" effect which will drop out of the numbers in 2011, but investors are now wondering whether all the dead bodies in the banking system have really been exhumed.
Donald Kohn, a Fed veteran and perhaps the governor who is closest to Mr Greenspan, made clear in a speech earlier this month that much of the inflation acceleration in early 2004 was a rebound from "unexplainably low inflation last year" as well as the one-off effect of higher prices for energy and other commodities as well as a weaker dollar.
Shifts in commodity prices and currencies tend to be one-off effects, not the source of enduring inflationary pressure.
After stripping out one-off effects and adjusting the numbers for the business cycle, OECD members' combined deficit was 1.9% of GDP in 2006, a reduction of 1.6 percentage points in two years.
In the financial year so far, borrowing excluding the one-off effects from the transfer of Royal Mail pension assets came in at £73.3bn, £5bn higher than at this stage last year.
Inflation will likely fall back in 2018 as these one-off effects drop out of the calculations which means this is no time for a rate rise as the economy slows.
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