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Polarities

Figure 4. Explaining positive and negative relationships in causal loop diagrams

Figure 4. Explaining positive and negative relationships in causal loop diagrams

Figure 1. The first iteration of the causal loop diagram; too complex and too many variablesFigure 2. Modelling variables, their names, type and a definitionFigure 3. A streamlined set of variablesFigure 5. Preliminary causal loop diagramFigure 6. Causal loop diagram produced by Vensim software