My publications on loop dominance, the Newtonian Interpretive Framework and soft variables.
Journal Papers
Hayward J. & Boswell G.P. (2014). Model Behaviour and the Concept of Loop Impact: A Practical Method. System Dynamics Review, 30(1), 29-57. DOI: 10.1002/sdr.1511
Hayward J. & Roach P.A. (2017). Newton’s Laws as an Interpretive Framework in System Dynamics. System Dynamics Review, 33(3-4), 183-218. DOI: 10.1002/sdr.1586.
Hayward J. & Roach P.A. (2019). The Concept of Force in Population Dynamics, Physica A: Statistical Mechanics and its Applications, 531, 121736, DOI: 10.1016/j.physa.2019.121736.
Hayward J. & Roach P.A. (2022). The Concept of Energy in the Analysis of System Dynamics Models, System Dynamics Review, accepted for publication. DOI: 10.1002/sdr.1700
Schoenberg W., Hayward J. & Eberlein R. (2023). Improving Loops That Matter, System Dynamics Review, 39(2), https://doi.org/10.1002/sdr.1728.
Conference Papers
Hayward J. (2012). Model Behavior and the Strengths of Causal Loops: Mathematical Insights and a Practical Method. Presented at the 30th International Conference of the System Dynamics Society, St. Gallen, Switzerland, July 2012.
Hayward J., Jeffs R.A., Howells L. & Evans K.S. (2014). Model Building with Soft Variables: A Case Study on Riots. Presented at the 32nd International Conference of the System Dynamics Society, Delft, Netherlands, July 2014.
Hayward J. (2015). Newton’s Laws of System Dynamics. Presented at the 33rd International Conference of the System Dynamics Society, Cambridge, MA, July 2015.
Hayward J., Jeffs R.A. & Roach P.A. (2020). A Supply and Demand Model of Political Party Growth. Presented at the 36th International Conference of the System Dynamics Society, Virtual Bergen, July 2020. An application of soft variables.
Technical Reports
Hayward J. (2020). The Concept of Average Loop Impact as a System-Wide Measure of Feedback Dominance Analysis. DOI:10.13140/RG.2.2.14721.28001. arXiv:2011.04103
Hayward J. (2021). Loop Impact on Flows. DOI:10.13140/RG.2.2.17652.07044