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Variables1

Figure 2. Modelling variables, their names, type and a definition

Figure 2. Modelling variables, their names, type and a definition

Figure 1. The first iteration of the causal loop diagram; too complex and too many variablesFigure 3. A streamlined set of variablesFigure 4. Explaining positive and negative relationships in causal loop diagramsFigure 5. Preliminary causal loop diagramFigure 6. Causal loop diagram produced by Vensim software