Knowledge of Complex Systems and Ecconomics

2009-09-05 Thread Dan M
After reading John's arguments that strongly imply the best possible state
is the natural market, I thought a bit about what we do know about the
economy and complex systems.  For example, we know that the economy has had
boom/bust cycles.  We know that players in the market are not purely
rational creatures; they are emotional/rational beings.  We know that the
financial system is a network.  We also know that there are financial
products, such as credit default swaps, that match the size of the world's
GDP in size.

I wrote this two days ago, but it didn't get through.

We also know that complex systems can have subsets that have rules that are
too hard to deduce from first principals, but are nonetheless apply.  For
example, even though chemistry is extremely complicated electroweak theory,
and we haven't done first principals calculations on any but the simplest
chemistry; chemistry is still a science.  With biology, we have very complex
chemistry, yet biology is a science.  If we don't know anything once things
are complex, then biology and chemistry would be impossible.

We also know that there are interesting patterns that crop up in complex
systems.  For example, there can be tipping points, where they go from one
meta-stable position to another.  

We know that, while we cannot see trends as absolute rules when dealing with
complex systems, the most persimmons model consistent within the data has
the best chance of being a reasonable approximation of what we will
understand as we gain a better, more detailed understanding of the system.
In addition, it has the best change of future predictions.  Note, I didn't
say that it would always be right; there are many times that extrapolations
beyond data are wrong.  But, if one were to consider all possible theories
available at the time,, one's best chance of being close is choosing that
theory.

Relating this to a short thread on first do no harm deciding not to decide
is also an action.  One cannot wash ones hands of the repercussions of doing
nothing, while criticizing those who strive and fail.  One can argue that
doing nothing (e.g. surgery) is the best option, accepting that there will
be instances where that fails and doing the surgery would have been
successful.  The only argument one would need to make was, given the
information available at the time, the inaction was the best choice...given
the range of possibilities for intervening or not intervening.

Dan M.


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Re: Knowledge of Complex Systems and Spellcheckers

2009-09-05 Thread Ronn! Blankenship

At 11:12 AM Saturday 9/5/2009, Dan M wrote:


We know that, while we cannot see trends as absolute rules when dealing with
complex systems, the most persimmons model consistent within the data has
the best chance of being a reasonable approximation of what we will
understand as we gain a better, more detailed understanding of the system.






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Re: Knowledge of Complex Systems and Spellcheckers

2009-09-05 Thread Nick Arnett
On Sat, Sep 5, 2009 at 3:45 PM, Ronn! Blankenship 
ronn_blankens...@bellsouth.net wrote:

 At 11:12 AM Saturday 9/5/2009, Dan M wrote:

  We know that, while we cannot see trends as absolute rules when dealing
 with
 complex systems, the most persimmons model consistent within the data has
 the best chance of being a reasonable approximation of what we will
 understand as we gain a better, more detailed understanding of the system.



At least he didn't compare apples to oranges.

Parsnips must belong in here somewhere, though.

Nick
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Re: Knowledge of Complex Systems and Spellcheckers

2009-09-05 Thread dsummersmi...@comcast.net
OK, my spell checker got me good. 
We know that, while we cannot see trends as absolute rules when dealing
with
complex systems, the most persimmons model consistent within the data has
  parsimonious

the best chance of being a reasonable approximation of what we will
understand as we gain a better, more detailed understanding of the system.





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Re: Knowledge of Complex Systems and Spellcheckers

2009-09-05 Thread Warren Ockrassa

On Sep 5, 2009, at 4:05 PM, Nick Arnett wrote:


At least he didn't compare apples to oranges.


Or to Ubuntu.

-- W

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Where's Waldo

2009-09-05 Thread Michael Harney

I hope they can find Waldo.

From AP: (http://www.foxnews.com/story/0,2933,546922,00.html)

SARASOTA, Fla. — Scientists on Florida's Gulf Coast are trying to find 
an underwater robot that has mysteriously vanished.


The robot from the Mote Marine Laboratory in Sarasota has been missing 
since Monday.


It cost about $100,000. It also was equipped with a detector to find red 
tide, a toxic algae bloom. That was valued at another $30,000.


Scientists aren't sure what happened to the robot, which is nicknamed 
Waldo. It could have had a leak or malfunction and sunk to the bottom. 
It also could be on the surface, but its communication system isn't 
working properly to signal its location.


The lab hopes boaters out for the busy Labor Day weekend might spot Waldo.


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