Clone of Extreme weather events effects on hospitals
Black and white Unfolding Stock and flow map version of IM 1498
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This is a simple SIR infectious diseases 3 stock model with Susceptibles, Infectives and Recovereds stocks. In the initial description the R signified Removed and could include Deaths, Recovered with immunity to infection (Resistant) or those who had fled the epidemic. Note the need to initiate the epidemic by adding a pulse of a single infected person at time 0.
Diagram 18 from From Gerrit Van Wyk's MEDICINE AND MEDICAL PROCESS AS A LEARNING SYSTEM http://systems-thinking.ca/myfiles/MPhil%20Dissertation.pdf
Rich picture, Based on Lyneis JM and Ford DN System Dynamics Applied to Project Management Syst. Dyn. Rev. 23, 157-189 (2007)
Bathtub model with filling control added and images
Effect of rewards on the selection promotion and retirement of scholars in universities. Based on Geoffrey Brennan's Selection and the Currency of Reward chapter10 in The Theory of Institutional Design ed. RG Goodwin Cambridge University Press 1996