Perfect equilibrium

[From Bill Powers (940509.1750 MDT)]

Thomas Baines (940509) --

    I still would be interested in your anwer to the last question

      I posed. What, in psychology and/or sociology is the
      equivalent of the economic paradigm of perfect competitive
      equilibrium?

I'm not sure that even psychology and sociology are in as bad shape,
theory-wise, as economics.

Here is a graph of data supporting the economic theory of perfect
equilibrium between supply and demand:

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Best,

Bill P.