An introduction to system dynamics
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Duggan, Jim. (2016). An Introduction to System Dynamics System Dynamics Modeling with R (pp. 1-24). Cham: Springer International Publishing. DOI 10.1007/978-3-319-34043-2_1
This chapter presents the important concepts underlying the system dynamics modeling method. Following an initial definition of the term model, a summary of a successful system dynamics intervention is described. The key concepts of system dynamics stocks and flows are explained. The process for simulating stock and flow models integral calculus is described, with an example of a company s customer base used to illustrate how stocks change, through their flows, over time. A summary of dimensional analysis for stock and flow equations is provided before the second feature of system dynamics modeling feedback is presented. The chapter concludes by summarizing the system dynamics meth-odology, which is a five-stage iterative process that guides model design, devel-opment, test and policy design.