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It seems possible to generalize the Free Energy / Predictive Coding Principle from individual brains to markets as a whole, where there is one universal metric that the market attempts to minimize.
https://gist.github.com/zyansheep/1b9dd1b6e4d4186ab4a67250a48e5c3a
This framework may enable finding parallels between neuroscience/AI and economics and potentially even enable ontology transfer between them: Bubbles/Trapped Priors, Market Crash/Crisis of Faith, etc.