Transcription of Places to Intervene in a System
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Leverage PointsPlaces to Intervene in aSystemby Donella MeadowsThe Sustainability Institute 3 Linden Road Hartland VT 05048 Phone 802-436-1277 FAX 802-436-1281 Email: additional copies of this report, send US$10 to The Sustainability by The Sustainability Institute, shorter version of this paper appeared in Whole Earth, winter who do systems analysis have a greatbelief in leverage points. These are placeswithin a complex System (a corporation, aneconomy, a living body, a city, an ecosys-tem) where a small shift in one thing canproduce big changes in idea is not unique to systems analy-sis it s embedded in legend.
was happening, I got up, marched to the flip chart, tossed over to a clean page, and wrote: Places to Intervene in a System (in increasing order of effectiveness) 9. Constants, parameters, numbers (subsi-dies, taxes, standards) 8. Regulating negative feedback loops 7. Driving positive feedback loops 6. Material flows and nodes of material ...
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