1. Stuff we’ll need for the Midterm
James Burns
October 25, 2005

2. The Adjacency Matrix 1 2 3 4 ||

3. Also known as the Square Ternary Matrix
Be able to convert it to a causal loop diagram
Be able to convert the CLD to a SDF
Be able to write the rate equations associated with the SFD
Assumes rates are multiplicative functions of their antecedents

4. The Pension Fund Problem
What sectors did you find?
What stocks?
What rates?

7. Feedback Name two types Which type produces exponential growth?
Which type produces exponential goal seeking?
What is the discernment rule for distinguishing one type from another?

8. What about delays? Cause ____ and ____ when ____ moves are applied
Cause oscillation and overshoot when aggressive moves are applied

9. Seeing the World Anew As wholes
Seeing ourselves as part of the whole, part of the system
Coping with Complexity mandates systems thinking
Today, we are creating complexity at a frenetic pace

10. When is dynamic complexity present?
When there are dramatically different effects in the short vs. the long run
When an action has one set of consequences locally and a very different set of consequences in another part of the system
When obvious interventions produce non-obvious consequences

11. The first Archetype
Senge often says structures of which we are unaware hold us ____.
All growth eventually ____.
Which archetype illustrates this??
Most managers react to the slowing growth by pushing harder on the _____ loop
Instead, concentrate on the balancing loop--changing the _____ factor

12. Structure growing action state of stock slowing action Balancing
Reinforcing

13. VENSIM Know how to create CLD’s Know how to create SFDs
Know how to use the tools
Know how to use the output icons—print/plot/etc