This is my final research paper about social norms on the web. It’s a good time. It’s kind of long, but here are the highlights:
You need investment from the user, either through a genuine offline to online identity, or a strong tie to the community focus.
This stuff is based in game theory and evolutionary biology. Check out the ultimatum game. Only when you have the possibility for altruistic punishment and user engagement in site moderation can you develop successful norms.