Dynamic theories and models - System dynamics and the limits to growth

3 important questions on Dynamic theories and models - System dynamics and the limits to growth

What is the difference between mental and mathematical models?

Mental models are implicit models. It's flexible and adaptive. You can use this to understand the world around you. However, they're not suitable for dynamic behaviour of a complex structure.

Mathematical / computer models; models with which you can make forecasts and simulations.

How can you check your validity using computer models?

Whether the outcomes of the computer model correspond with the observations from the system.

How can you develop mathematic models from mental models? (3)

1. The mental model (causal loop) needs to be translated into mathematic equations
2. Select numerical value for X and Y.
3. Look at the dynamic consequences.

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