The prime minister said all three main party leaders were united on that, and he believed a one-off rise would be "simply unacceptable".
Some of this may be from a one-off rise in food prices, but underlying it are pressures for hikes in wages, commodity prices and interest rates.
Higher energy prices may temporarily push up inflation, but with labour costs so low, this one-off rise cannot last.These critics make some good points.
For instance, inflation has jumped mainly because the recent removal of fuel subsidies led to a one-off rise in the cost of petrol.
Demographers say that about a fifth of the increase is due to immigration; some of it may also be a bounce-back after a one-off rise in average child-bearing age.
A one-off rise in prices would not produce a sustained increase in inflation, unless it boosts firms' and workers' expectations of future inflation, which can become self-fulfilling.
The academics estimated the scheme could cause a one-off rise of between11% and 2% in retail power bills, but subsequent modelling by Reputex found the impact could be even lower – between 0.2% and 1.3%.
Surely property would be a good hedge against such an outcome, as rents would be expected to keep pace with higher prices in the long run It sounds good in theory, but in practice the result of inflation would probably be a one-off rise in rental yields caused by a sharp fall in property prices.
The decision by the parliamentary watchdog Ipsa to recommend a one-off rise of £7,600 in MPs' pay after 2015 has been widely criticised, including by MPs from all parties.
MPs currently earn a basic salary of £66,396 but the Independent Parliamentary Standards Authority is expected to say on Thursday that their pay has fallen behind in recent years and a substantial "one-off" rise is justified.
Central banks have traditionally turned a blind eye to a one-off rise in prices stemming from, say, an increase in consumption taxes, a sharp drop in the exchange rate that boosts import costs or, as now, a spike in oil.
