···2626- The requirements to govern a commons without tragedy:
2727 - Clear boundaries.
2828 - Managed by locals.
2929- - In a small community, everybody knows everybody, and can keep track of what they do. This makes small groups iterated games which rewards trust and penalizes sociopath behavior.
2929+ - In a small community, everybody knows everybody, and can keep track of what they do. This makes small groups iterated games which rewards trust and penalizes sociopath behavior.
3030 - Community makes its own rules.
3131 - Community can monitor behavior.
3232 - Graduated sanctions for those who violate community rules.