I'm not sure what they were comparing, but the PMPRB study, the most recent one, would show that prices are approaching parity internationally.
As I said, now in Canada generic prices are regulated at the provincial level. There's a pan-Canadian agreement; the provinces have banded together. The top six generics, for example, can be priced at no more than 18% of the brand name product. Most other products have to be at 25% or you can't get on the formularies.