On Wed, Feb 20, 2013 at 12:39 AM, Craig Weinberg

> As far as the stock market being computable, how would you go about
> determining, for instance, whether or not I rebalance my 401k and on what
> day and time?

You can't, because it's a chaotic system. If you eschew computers and
"simulate" the stock market by building an entire world with humans and an
economy you would get a stock market that functions similarly to the
original but not the same as the original, so it would be almost useless
for predicting a particular stock movement. A computer simulation can't be
expected to be better than a simulation with real humans living in a real
world. In other words, you would be simulating *a* stock market, not *the*
stock market.

> The brain has the same issue - you can't tell what it is going to do from
> the outside, because the behavior on the outside is often driven by  the
> story going on the inside - which cannot be known unless you too are on
> inside.

But that's the case for everything. Its behaviour is driven by what is
going on on the inside as well as what's going on on the outside.

Stathis Papaioannou

Stathis Papaioannou

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