To clarify for the person you've responded to: the problem with humans isn't exactly that we individually have _too little_ intelligence, it's that the heuristics we have evolved to use for compensating for missing information include a great deal of bias. This results in the very-well-documented lack of rational actors in the real world.
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Yet solutions emerge, even if individual agents have zero intelligence
http://www2.econ.iastate.edu/tesfatsi/Gode%20and%20Sunder-JP...
Your lack of belief in the force of the free hand is troubling, especially when it can be proved by computer models and reality.
To clarify for the person you've responded to: the problem with humans isn't exactly that we individually have _too little_ intelligence, it's that the heuristics we have evolved to use for compensating for missing information include a great deal of bias. This results in the very-well-documented lack of rational actors in the real world.