================= HES POSTING ====================== The idea of hysteresis, a central feature of evolution by natural selection, plays an important role in Nicholas Georgescu-Roegen's underappreciated study _The Entropy Law and the Economic Process_ (1971). Richard Adelstein email: [log in to unmask] ============ FOOTER TO HES POSTING ============ For information, send the message "info HES" to [log in to unmask]