I think 'core CPI' and 'core inflation' are just different terms for the same thing, depending on audience / jurisdiction. Open to correction on that though.Wasn't the 'Core CPI' measurement utilised for many years for general reporting purposes?
Yes, fair point. The 'market makers' of the bonds would understand exactly how CPI is calculated, and the consistency of it. The constituents and weighting of each are constantly reviewed, I remember a few years ago the Irish 'basket' was changed to better reflect the items households were actually buying.Question, though. A bond offering that's inflation-linked is likely to be entered into by those that have an intimate knowledge of the applicable CPI measurement.
Some of the criticism is that the basket doesn't reflect actual increases in household costs - as economies become more affluent, our tastes become more expensive (without talking about yachts!). However the CSO doesn't replace own brand goods with more expensive branded ones, although that might be what people are really buying.