Systems thinking and product
Theory of Constraints — A System Dynamics Model
An interactive stock-and-flow model showing how queues accumulate, constraints dominate, and local optimisation can make the wider system worse.
Read Simulationlogistics
Empty Miles — An Interactive Causal Loop Diagram
A Senge-style causal loop diagram with adjustable force strength, showing how a freight system shifts between avoidable waste and structural constraint.
Read Simulation