This is a more Traditional Career Model of how education works, with an increased lifetime earnings from going to college. The following are links to the other two models in the series.

• Loan Cost Model
• Savings Model

Inventory Model v4.0 calculates min days inv & max days inv and makes adjustments for desired service level. See also: Inventory Model v3.0.

A model for unfolding the story about how stw videos are created.

The Home Heating System can be used to demonstrate how we get caught in dilemmas and become victims of ourselves.

Initial causal loop diagram for the influences leading to the acceptance of Systems Thinking.

OK, we have a problem. Yet, do we really know what the problem is? More often than not we look at the symptoms, consider them the problem and attempt to fix them. This actually dooms us to failure because they're only symptoms.

Relative Achievement is one of the four generic archetypes developed by Eric Wolstenholme and maps to the Success to the Successful Systems Archetype.

SystemsWiki's Musings

Faced with a performance gap the two most obvious responses are to work harder or work smarter. There are trade offs associated with each, some obvious, some not so obvious.

Initial causal loop diagram for the influences leading to the acceptance of Systems Thinking. This is the evolving version. You can compare this with IM-1948, which is the original, if you wish.

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Thoughts on why storytelling is critical for enabling others to understand relationship models once they're developed. This was done for Deeanna Burleson Topics in Systems Science Apr 2019.

Success to the successful archetype represents two reinforcing structures which may be in a delicate balance though as soon as one gains a small advantage the resource allocation favors the more successful and the result is then rapidly skewed in the direction of the more successful. See also Archetypes.

This model represents an elaboration of the Savings Account model to investigate the implications associated with intending to save money for retirement so an amount may be withdrawn monthly for living expenses.

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It's relatively well understood that you can't be all things to all people. Somewhere one has to make choices. An Attractiveness Principle Systems Archetype is essentially a Limits to Growth Systems Archetype with multiple limits, all of which can not be addressed equally. See also Archetypes.

Part 1 demonstrates Picture primitives and Links to create representations of interactions. These are made visually attractive because the Picture primitives are overlayed with images.

An escalation structure results from two or more competing entities with the competition taking them to somewhere none of them want to be. See also Archetypes.

Video

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The delays associated with adjusting the shower is a very common example of the Balancing Loop with Delay Systems Archetype.

OK, we have a problem. Yet, do we really know what the problem is? More often than not we look at the symptoms, consider them the problem and attempt to fix them. This actually dooms us to failure because they're only symptoms.

A Growth and Underinvestment structure is simply an elaborated Limits to Growth structure where the growth inhibitor is part of another Balancing Loop with an external standard and some delay. The real nasty thing about this structure is that the two Balancing Loops form a single Reinforcing Loop which inhibits growth.

Video

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If you mouse over an item and an "i" is displayed there is a note attached. These are on some nodes and some links.

Two goal seeking structures attempting to resolve and based on the delay one may tend to settle for less. See also Archetypes.

Relative Control is one of the four generic archetypes developed by Eric Wolstenholme and maps to the Balancing Loop with Delay, Indecision, Limits to Results, Drifting Goals and Escalation Systems Archetypes.

SystemsWiki's Musings

A basic savings account model.

The Accidental Adversaries structure represents a situation where two interacting entities which should produce growth unwittingly limit the growth of each other because of their actions to promote their own growth. See also Archetypes.