Search found 6 matches

by Jim Duggan JAMES.DUGGAN NUIGALWA
Sat May 27, 2006 12:40 pm
Forum: SD Mailing List Archive
Topic: QUERY Beer Game with Competing Agents
Replies: 3
Views: 3734

QUERY Beer Game with Competing Agents

Posted by Jim Duggan <JAMES.DUGGAN@NUIGALWAY.IE> Hi... you could consider the average processing time of the wholesalers, which could be calculate as Backlog/Fulfilment Rate, and so the wholesaler with the lowest time could be selected. Also think of what metrics companies use to select a vendor (yo...
by Jim Duggan JAMES.DUGGAN NUIGALWA
Sun Dec 04, 2005 3:12 pm
Forum: SD Mailing List Archive
Topic: Characterizing System Dynamics
Replies: 33
Views: 31376

Characterizing System Dynamics

Posted by Jim Duggan <JAMES.DUGGAN@NUIGALWAY.IE> Hi Bill, I'd agree with your analysis on emergence, in that it is the overall behaviour of a system that results from the subset of policies, and as such ""emerges"" from the inherent dynamic complexity. I think there are good exam...
by Jim Duggan JAMES.DUGGAN NUIGALWA
Wed Sep 14, 2005 11:51 am
Forum: SD Mailing List Archive
Topic: Best first stock-flow model?
Replies: 2
Views: 3878

Best first stock-flow model?

Posted by Jim Duggan <JAMES.DUGGAN@NUIGALWAY.IE> Hi, I'd be interested to hear people's views on what the best teaching model(s) are to start with when moving from Causal Models to Stock and Flow models. Ideally, I think such a model should be close to its causal loop equivalent, have interesting fe...
by Jim Duggan JAMES.DUGGAN NUIGALWA
Wed Aug 17, 2005 6:00 pm
Forum: SD Mailing List Archive
Topic: Feedback and Behavior
Replies: 24
Views: 65457

Feedback and Behavior

Posted by Jim Duggan <JAMES.DUGGAN@NUIGALWAY.IE> >>===== Original Message From system dynamics listserve >>Posted by ""Jay Forrest"" <systems@jayforrest.com> Many thanks Jay, that was really useful! I must try and work it into my teaching for next year, particularly because it is...
by Jim Duggan JAMES.DUGGAN NUIGALWA
Mon Aug 15, 2005 12:18 pm
Forum: SD Mailing List Archive
Topic: Feedback and Behavior
Replies: 24
Views: 65457

Feedback and Behavior

Posted by Jim Duggan <JAMES.DUGGAN@NUIGALWAY.IE> >>Posted by ""Jay Forrest"" <systems@jayforrest.com> >>The exceptionally simple Barry Richmond Digital Equipment model of one >>stock/one flow (customers needing support and computer sales, respectively) >>strikes me as the near ep...
by Jim Duggan JAMES.DUGGAN NUIGALWA
Tue Aug 09, 2005 11:48 am
Forum: SD Mailing List Archive
Topic: Core System Dynamics Models
Replies: 2
Views: 3487

Core System Dynamics Models

Posted by Jim Duggan <JAMES.DUGGAN@NUIGALWAY.IE> Hi, At this years Boston conference, I noticed that a number of presenters made use of existing and well known SD models as part of their work (for example, the long wave economic model, the boom and bust model, the beer game...) In other disciplines,...