Thanks very much for the replies. Gregory put his finger on the correct question: What percent of new arrivals actually purchase a property and stay in SF for more than 10 years, across multiple income levels, i,e in $-ranges ( less than 60k, 60 - 120, 120 - 180, 180 - 240, greater that 240), categories (lowest, low-middle, middle, upper-middle, upper), etc. Reasons why, such as : "sticker shock", "housing supply", "employment", "crime", "consumer confidence", "locale of origin", "sense of opportunity", all appear at least anecdotally to play one role or another. But with demographics and economy such an important part of this city, I imagine one might find such a survey to be of some interest (sociologists, city planners, employers and realtors). No? - Fri Jan 18 2008, 08:10