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Unformatted text preview: Systems Models Computer Models Mathematical Representations  simulation models Equations Coefficients Scenario Analysis  what if? 9/24/09 3 Why are systems so hard to manage? Complexity Feedback loops Positive feedback Negative feedback Unknown connections and hierarchies Time Lags and Distance Effects Linear vs. Nonlinear relationships Unpredictability and probability stochastic behavior and variance Human Population How many people are on the planet? How fast is the human population growing?...
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 Fall '09
 CaseyKing

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