----------------- HES POSTING ----------------- Scott Cullen wrote: > ...it is interesting that 60 years ago these IRR > models emerged (with precursors elsewhere apparently) to DESCRIBE > an economic system. . . . Today, they may well > DRIVE most economic activity... Boulding might have seen here an instance of what he called the generalized Heisenberg principle: the attempt to get information out of the system changes it. Yuri Tulupenko ------------ FOOTER TO HES POSTING ------------ For information, send the message "info HES" to [log in to unmask]