video: https://www.youtube.com/watch?v=jywqMIbNuvY

also by the same person

Erik Pruyt (2013) Small System Dynamics Models for Big Issues: Triple Jump towards Real-World Dynamic Complexity
https://repository.tudelft.nl/islandora/object/uuid:10980974-69c3-4357-962f-d923160ab638/datastream/OBJ/link.pdf

Thanks to John Raven for the links