I don't think the centralization of jobs is really the whole story or even close to it. If you look at BC in Canada, housing is ridiculously expensive, even at

I don't think the centralization of jobs is really the whole story or even close to it. If you look at BC in Canada, housing is ridiculously expensive, even at distances away from Vancouver and Victoria that would prohibit commuting for work, and even despite BC being mostly empty wilderness with plenty of room for every Canadian to move there.