System Dynamics Blog

Modeling for Impact in the Era of Big Data

On the occasion of the field’s 50th anniversary, in 2007, Jay Forrester spoke to us (SDR 23:359-370) about prospects for the field of system dynamics—his view of the situation summarized by the phrase “aimless plateau”.  He lamented our “slight impact” in government...

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Simulation During Times of Crisis

COVID SD Resources Post Authored by Raafat Zaini, PC Member, AVP Marketing Scientists and researchers spend a long time crafting mathematical models that simulate multiple phenomena occurring in organizations and societies. Those models use varied methodologies based...

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Why we do not always simulate

By Vincent de Gooyert, Inge Bleijenbergh, Hubert Korzilius, Brigit Fokkinga, Monic Lansu, Stephan Raaijmakers, Etiënne Rouwette, Merel van der Wal With great interest we have been following and participating in discussions on what ‘good’ and ‘appropriate’ system...

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How to right-size your model

By Jack Homer, VP of Professional Practice I once developed a relatively compact SD model to help a major chemical company restructure their plastics business.  The model was well received by senior management but was not considered granular enough for accurately...

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Group model building: a dialogue

By Jack Homer, VP of Professional Practice In the late 1980s, academics on both sides of the Atlantic started to develop structured techniques for eliciting knowledge from expert and client groups as part of SD modeling. The goal was to democratize or “open up” the...

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Let’s consider policy feasibility

By Jack Homer, VP of Professional Practice I was once consulted by a semiconductor equipment maker who wanted to reduce their service maintenance costs.  The client team offered a variety of ideas, some of which were workforce-related and could be implemented fairly...

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