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David Colander wrote: 
 
"Today all we teach is price theory, although by the lack of discussion of 
how price theory does not necessarily reflect value, we often mislead 
students into thinking we are teaching them more than what we are." 
 
This reminded me of the addage that in commercial society, we quicky learn 
the price of everything; but alas, we are often clueless about the value of 
many things. I wonder what role economists play in this. I thank you all 
for your comments and the reference to Barbara Herrnstein's book. 
 
Sumitra Shah 
 
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