Sees stocks, flows, feedback loops — not just events.
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Donella Meadows (Limits to Growth, Thinking in Systems) popularized this discipline: any complex system has stocks (state variables), flows (rates), feedback loops (reinforcing/balancing) and delays. Policies that treat symptoms without seeing the loop create new problems. olivLaw applies systems thinking in economic models: GDP, debt, deficit, demography are stocks linked by flows.