[pasabagi]

Look, don't believe me. Just look at the history of public housing. It's expensive. It works. People like to pretend there's a lot of complexity to issues like these because they couldn't really care less about homeless people, and they'd rather not spend the money to give them homes. Talking about complex social issues is a great way to come across as both clever and caring. Paying more taxes, however, is a pain in the ass.

[DougN7]

Naive, but honest quesrion: why don’t homeless move to where housing costs less? That’s what I do if I can’t afford something: I find an alternative.

It seems to me something else is going on that pulls homeless people into San Francisco. But I readily admit I don’t understand it all very well.

[pasabagi]

I think generally speaking, lowering housing costs isn't to allow a homeless person to save up for a deposit and rent an apartment. It's to increase the likelyhood that the sibling they always got along with will have a spare room, or to increase the buffer between losing a job and being on the streets, or to make it so the old friend doesn't mind it that much that somebody is sleeping in their spare room, since they have a spare room.

On the individual level, I expect the reason why people stay is that being homeless makes you very dependent on local knowledge and social network. Knowing what bins contain food, where is good shelter, which police officers are dangerous, and so on - is very important. If you move city, you're not suddenly going to have the kind of money to pay a deposit. You'll just be homeless in a place you don't know. That, and a lot of homeless people have jobs.