I was the person who wrote that super-long take on the San Francisco housing crisis in spring on TechCrunch. http://www.techcrunch.com/2014/04/14/sf-housing/ I'll just say this. It's four issues compounded. 1) Growth controls enacted in the 1960s and 1970s: Beginning in the late 1960s, the California Supreme Court started making a series of anti-development rulings: for example, one decision ruled that cities didn't…
The world wants to pay our property taxes, but use a negligible amount of our local services? That doesn't require policing – just wise exploitation.
Allow as much high-density luxury housing as possible. (Let the world pay us to build and hold!)
But then also, make it easier for absentee owners to casually lease out their holdings, so the marginal incentives are to open vacant units up to residents or tourists.
The world wanting to move-to, visit, or even just invest-in your jurisdiction only becomes a problem, rather than a boon, with stubborn mismanagement.