Grocers price increases - much higher than inflation?

[PhilT]

The Australia Tax remains a foundation of business models. Whether it is the importer or the grocers or both sharing in is arguable.

Price mark-ups for buying in Australia compared to o/s (The "Australia tax")

There is a topic about Colesworths fuelling their profits while fuelling inflation, but this is the Australia Tax as usual. Only almost quadruple the overseas price. Whether it is the importer or grocers or both benefiting is arguable.