Using Loop Impact to Explore Model Behaviour.
An introduction to loop impact and its application to loop dominance analysis
Mapping Differential Equations to Stock-Flow Models.
In this presentation, system dynamics models, expressed using stocks and flows, are contrasted with differential equation models. This question is addressed: “What is the stock-flow equivalent of a differential equation model?” and it is suggested that it is not well-founded.
Modelling Political Party Growth
A Supply and Demand Model of Political Party Growth
The model of growth and decline in political party membership is built using a word-of-mouth mechanism and the concepts of political legitimacy and personal political benefits. The model uses modules and soft variables, and is applied to the UK Labour Party.