> Do you think that might be explained in part by NYers
> using public transit more and being less likely to
> have cars?
I think there's a tendency to think of NYers as all being like Doug: Manhattanites, skipping around in subways and cabs, not having owned a car in years.
This says otherwise: http://www.schallerconsult.com/pub/cityinflux.pdf
/jordan