No, but they are don't rise nearly as much as real estate prices in city centers, and it's mostly irrelevant to the point I was making, because it doesn't matter how the prices are outside of the city center if you want to live in the city center.
Pick the low-hanging fruit. More housing outside the city centre (with requisite transit infrastructure) still means more-affordable housing. That, in turn, should relieve pressure on the centre.
This is obviously untrue if the prices have risen.