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Diagram: Preferential Attachment

Preferential Attachment

..or the rich get richer!

Think of preferential attachment as an attribute of when 'the rich get richer' within a networked system. This occurs when nodes that have a lot of links tend to attract more links as other nodes enter the system resulting in super-nodes.


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In a networked system, nodes that have a lot of links tend to attract more links as other nodes enter the system. As a result, 'super nodes' with a higher Fitness appear to hold a disproportionate number of links. The resulting Networks tend to follow a Power Laws distribution.

 


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Wohl, S. (2022, 7 June). Preferential Attachment. Retrieved from https://kapalicarsi.wittmeyer.io/definition/preferential-attachment

Preferential Attachment was updated June 7th, 2022.

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Santa Fe Institute; Fitness Landscape

Major complexity theorist associated with the Sante Fe institute, developed idea of a Fitness Landscape

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Across the globe we find spatial clusters of similar economic activity. How does complexity help us understand the path-dependent emergence of these economic clusters?

Evolutionary Economic Geography (EEG) tries to understand how economic agglomerations or clusters emerge from the bottom-up. This branch of economics draws significantly from principles of complexity and emergence, seeing the rise of particular regions as path-dependent, and looking to understand the forces that drive change for firms - seen as the agents evolving within an economic environment.

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This is a list of Key Concepts that Preferential Attachment is related to.

Complex Systems can unfold in multiple trajectories. However, there may be trajectories that are more stable or 'fit'. Such states are considered 'attractor states'.

Complex Adaptive Systems do not obey predictable, linear trajectories. They are "Sensitive to Initial Conditions", such that small changes in these conditions can lead the system to unfold in unexpected ways. That said, in some systems, particular 'potential unfoldings' are more likely to occur than others. We can think of these as 'attractor states' to which a system will tend to gravitate.

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There would be some thought experiments here.

Navigating Complexity © 2015-2022 Sharon Wohl, all rights reserved. Developed by Sean Wittmeyer
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