Search found 4 matches

by John Voyer
Mon Dec 06, 2004 2:45 pm
Forum: SD Mailing List Archive
Topic: Mental models, cognitive maps and causal diagrams
Replies: 9
Views: 14313

Mental models, cognitive maps and causal diagrams

It strikes me that there are two kinds (at least) of causal loop diagrams. One kind is a representation of a fairly well-defined ""physical"" or ""quasi-physical"" process. Often these are better represented as stock-and-flow diagrams. Many of the industrial d...
by John Voyer
Mon Aug 30, 2004 4:08 pm
Forum: SD Mailing List Archive
Topic: Desperately seeking DYNAMO
Replies: 7
Views: 6721

Desperately seeking DYNAMO

I guess this situation has been satisfactorily resolved, but I wanted to mention one other thing. I have successfully translated several DYNAMO models into Vensim ones by using the information in Richardson and Pugh's book ""Introduction to System Dynamics Modeling with Dynamo.""...
by John Voyer
Thu May 20, 2004 1:06 pm
Forum: SD Mailing List Archive
Topic: Stock and Flow Models of Supply and Demand
Replies: 5
Views: 7048

Stock and Flow Models of Supply and Demand

What about Dennis Meadows's commodity models from his 1970 book ""Dynamics of Commodity Production Cycles""? John J. Voyer, Ph.D. Professor of Business Administration School of Business University of Southern Maine 96 Falmouth St. Box 9300 Portland, ME 04104-9300 voyer@usm.maine....
by John Voyer
Fri Apr 30, 2004 1:56 pm
Forum: SD Mailing List Archive
Topic: Collaborative Modeling Tools
Replies: 9
Views: 7785

Collaborative Modeling Tools

The BlackBoard web-based program in use at many universities for course-related matters (announcements, posting documents, file exchanging) has a whiteboard feature. You would have to get your IT people to agree to create a ""course"" for which your research colleagues could &quo...