The Office for Budget Responsibility has recently estimated in the long-run difference between RPI and CPI inflation that inflation on the new RPI measure (based on CPIH) will be around 0.5 per ...

Of the 1,385 adults who said they were aware of both RPI and CPI, 59% said they did not know the difference between the two. 58% of the 2,117 respondents said it was likely or very likely that a ...