John Williams wrote:

> It was not "bitching", there was a point I was trying to make: taking
> a complicated system like the US economy, and comparing it to
> something far less complex, and then drawing conclusions from the
> simple comparison leads to incorrect information, and overconfident
> predictions.
>
> Can some complex systems be analyzed by comparison to a more simple
> system? Sure, there are plenty of examples, although most of them are
> in the physical sciences rather than the social sciences. Asimov's
> psychohistory made a great story, but it does not work in practice.
> There are precious little useful predictions coming out of economics.

The analogy I used that led to your little tirade on the subject was
meant to illustrate the proper use of the word predict.  How is the
word predict a complex system?

Doug

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