Search found 4 matches

by DGPacker@aol.com
Thu Dec 28, 2006 1:41 pm
Forum: SD Mailing List Archive
Topic: QUERY Stock and flow diagrams of Senge Archetypes
Replies: 6
Views: 10961

QUERY Stock and flow diagrams of Senge Archetypes

Posted by DGPacker@aol.com Some time ago, Jim Hines developed a pretty full set of achetype models and some exercises using them. We used these in management sessions and found the ability to simulate to be very captivating to participants. It built on the insights gained from causal loops alone as ...
by DGPacker@aol.com
Thu May 01, 2003 4:46 pm
Forum: SD Mailing List Archive
Topic: Can system dynamics models "learn"
Replies: 46
Views: 33658

Can system dynamics models "learn"

The Jim Hines/Bill Braun notes caused me to recall a time long, long, ago (when computers were quite new) when I went to a lecture by the mathematician Norbert Weiner at MIT. One thing he talked about was the enormous amount of money being wasted on unsuccessfully developing a computer program for l...
by DGPacker@aol.com
Fri Apr 24, 1998 2:10 pm
Forum: SD Mailing List Archive
Topic: The Tragedy of the Commons in business
Replies: 6
Views: 6015

The Tragedy of the Commons in business

Seems to me that this is not a dynamic behavior that results from structure, but rather a higher level concept well articulated by Demming and at the core of why a systemic view is so powerful. It is simply that optimizing components will not oprimize the system. The interesting corollary is that it...
by DGPacker@aol.com
Mon Apr 06, 1998 9:50 am
Forum: SD Mailing List Archive
Topic: Systems of problems
Replies: 5
Views: 7829

Systems of problems

I cant resist this, which relates to modeling the "system" (rather than issues). Theres a Stephen Wright segment in which he says "I spent all last summer drawing a map of the United States--with a scale of 1 inch to 1 inch. It was alot of fun, but a real problem to fold!" Modeli...