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Leverage Points: Places to Intervene in a System

PLACES TO INTERVENE IN A SYSTEM
(in increasing order of effectiveness)
- Constants, parameters, numbers (subsidies, taxes, standards).
- Regulating negative feedback loops.
- Driving positive feedback loops.
- Material flows and nodes of material intersection.
- Information flows.
- The rules of the system (incentives, punishments, constraints).
- The distribution of po