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Mircea Pauca, 
 
Sorry to be so tardy in getting back to you. Perhaps we should move further 
the discussion off the HES site. My university email is 
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However, in case other might be interested, I will respond briefly to your 
posting. 
 
>     I have read with interest that 'control theory' can be 
> used as a basis for values or prices ! 
 
In many cases exhanging the algorethm of maximization for a control theory 
conception of agency  allows the construction of a system that is close to, 
but not identical to standard economic analysis.  But, the control 
algorethm can also account for some important anomolous cases such as the 
Giffen paradox, and the backward bending labor offer curve. 
 
Various versions of control theory could be used, but I mostly use Euler's 
method plus an integration term. My goal is a comprehensive redescription 
of economic analysis in control theory terms.   The discussions under the 
caption "cybernetics" are mostly an embarassment. 
 
However, the work of William T. Powers  _Behavior: the Control of 
Perception_ has been extremely helpful. 
 
Powers work influenced Glasser's book _Stations of the Mind_,  Since then 
Powers' influence upon Glasser's work has markedly declined. 
 
Bill Williams 
 
 
 
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