Actually, in my area, it it mainly Wall St. folks. Last 3 sales in my building in fact.
Where are they from? Bet you a buck they've been in the city less than 5 years.
People who work on the street come from all over and as you SHOULD know, the Christmas/end of the year bonuses are what fuels the N.Y. housing market as well as luxury goods.
I only have met two of them, and both were born here. If you are trying to suggest that only out of town ignoramuses are buying NYC real estate, I would have to disagree. The Dow Jones is near an all-time high, brokerage profits are at new records and the city is flush with cash.