Shrinking only works once though. When a customer is duped, they adjust expectations accordingly, and some consumers even 'punish' the brand by stopping buying

Shrinking only works once though. When a customer is duped, they adjust expectations accordingly, and some consumers even 'punish' the brand by stopping buying that product altogether. The phenomena is annoying, but I don't think legislating against it is the correct approach. Australia has had some quite amazing laws that require 'per 100g' or 'cost per 100ml' pricing on the store label, which is incredibly helpful. I'd like to see more tools of those kinds.