Likely, the issue here is that inflation calculations use a basket of goods that are substituted over time. Comparisons over time are not the best because a basket of goods from 2021 might include an iPhone, while a basket of goods from 1850 might include a pound of hay...
That all being said, possibly using a harmonious pricing index might be more fruitful for this discussion. I believe that the UK and Canada use the HPI over CPI, mainly due to the issue of substitutes and compliments over time.
Likely, the issue here is that inflation calculations use a basket of goods that are substituted over time. Comparisons over time are not the best because a basket of goods from 2021 might include an iPhone, while a basket of goods from 1850 might include a pound of hay...
That all being said, possibly using a harmonious pricing index might be more fruitful for this discussion. I believe that the UK and Canada use the HPI over CPI, mainly due to the issue of substitutes and compliments over time.