23 citations · 29 across the 4 of their papers we have counts for
4 papers
The Concept of Force in Population Dynamics
John Hayward, Paul A. Roach
The area of population dynamics has a rich history of the development and analysis of models of biological and social phenomena using ordinary differential equations. This paper de…
The Concept of Average Loop Impact as a System-Wide Measure of Feedback Dominance Analysis
John Hayward
In system dynamics, the concept of loop impact measures the effect of a feedback loop on the curvature in the behaviour of the stocks in the loop (Hayward & Boswell, 2014). It is a…
Mathematical Modeling of Church Growth: A System Dynamics Approach
John Hayward
The possibility of using mathematics to model church growth is investigated using ideas from population modeling. It is proposed that a major mechanism of growth is through contact…
Activist Model of Political Party Growth
Rebecca A. Jeffs, John Hayward, Paul A. Roach +1
The membership of British political parties has a direct influence on their political effectiveness. This paper applies the mathematics of epidemiology to the analysis of the growt…