----------------- HES POSTING ----------------- There are two threads here. One set of messages indicates that mathematical techniques moved from engineers to economists. Another (Veblen, eg.) suggests that some economists adopted an engineering perspective. The Koopmans lecture that I mentioned insisted that the engineering perspective is very different from that of economics. Michael Perelman ------------ FOOTER TO HES POSTING ------------ For information, send the message "info HES" to [log in to unmask]