Paul and Gene ... technically, a CLD makes it difficult to distinguish conserved
flows and non-conserved flows (information about stocks).
As you said to me in private corresp[ondence, Paul ... it depends ... on your
objectives as a modeler / learning facilitator.
Steve
--
Stephen B. Wehrenberg
Chief, Forecasts and Systems, US Coast Guard;
Administrative Sciences, The George Washington University
wstephen@erols.com
"Life is a jam session."