1) Fixing the commons by eliminating them - grant property rights to the users which align their incentives with a longer-term health of the "thing" and allow markets to emerge.
Free Market Environmentalism has a few examples of this working in the real world: http://www.amazon.com/Free-Market-Environmentalism-Terry-And...
2) Allow local communities to form their own rules on how to manage their own resources, and monitor each other.
Governing the Commons by Elinor Ostrom (winner of the "Nobel in Economics" by her life-long work on these issues) has empirical data of cases from Kenya to LA: http://www.amazon.com/Governing-Commons-Evolution-Institutio...
This is all empirical studies.
[1] https://squidfunk.github.io/mkdocs-material/insiders/
> it will still suffer from the 'tragedy of the commons'.
Fortunately, we have lots of great research on how to avoid tragedies of the commons:
https://www.amazon.com/dp/0521405998
I aim to explain how this applies to Open Source in a future post, which I'm tracking here:
https://github.com/chadwhitacre/openpath/issues/14