Search found 8 matches

by "Brian Dangerfield"
Sun Apr 27, 2003 1:31 pm
Forum: SD Mailing List Archive
Topic: Can system dynamics models "learn"
Replies: 46
Views: 33408

Can system dynamics models "learn"

>From Brian Dangerfield: I think maybe this thread has got slightly warped as it has progressed. My initial understanding of it was whether SD models could learn on the fly as it were. As someone recently pointed out this can happen only if the (rate) equations are changed. [Perhaps someone with mor...
by "Brian Dangerfield"
Wed Apr 16, 2003 12:29 pm
Forum: SD Mailing List Archive
Topic: Models for Electric Deregulation
Replies: 4
Views: 8271

Models for Electric Deregulation

The work of Erik LARSEN and Derek BUNN (London Business School) springs to mind. Journal of the OR Soc 1994 45(4) Also 1993 44(10) System Dynamics Review 1997 13(4) Book: Systems Modelling for Energy Policy 1997 Wiley, Chichester Best Brian. From: "Brian Dangerfield" <B.C.Dangerfield@salfo...
by "Brian Dangerfield"
Tue Apr 01, 2003 3:34 pm
Forum: SD Mailing List Archive
Topic: Models on Stress at Work
Replies: 6
Views: 5229

Models on Stress at Work

Marcia: A well-known paper is by Jack Homer "Worker Burnout: a dynamic model with implications for prevention & control" System Dynamics Review Vol 1 No 1 Summer 1985. Best Brian. From: "Brian Dangerfield" <B.C.Dangerfield@salford.ac.uk> Prof Brian Dangerfield Professor of Sy...
by "Brian Dangerfield"
Wed Apr 10, 2002 4:43 pm
Forum: SD Mailing List Archive
Topic: Book citations in System Dynamics
Replies: 0
Views: 2825

Book citations in System Dynamics

As Executive Editor of the System Dynamics Review I would like to request authors of articles, wherein one or more reference citations to a book now published by a different company is made, to use the name of the LATEST publisher only. Pegasus Communications now publish many of the classic texts in...
by "Brian Dangerfield"
Mon Apr 16, 2001 12:32 pm
Forum: SD Mailing List Archive
Topic: When to use/avoid System Dynamics
Replies: 12
Views: 13464

When to use/avoid System Dynamics

Daniel: To keep a reply as short as possible, I would say that if you are modelling individual entities at the operational level in order to assess decision rules and with time units in minutes, hours or days then you need discrete event simulation. If your problem is a policy issue at the aggregate...
by "Brian Dangerfield"
Sat Apr 14, 2001 3:14 pm
Forum: SD Mailing List Archive
Topic: System Dynamics vs. Discrete Event Simulation, Expert System
Replies: 5
Views: 11463

System Dynamics vs. Discrete Event Simulation, Expert System

You are going over old ground. This topic was given extensive coverage some months ago. Try scanning the Listserve archives before you post a query. Cheers Brian. Prof Brian Dangerfield Professor of Systems Modelling Centre for OR & Applied Statistics Faculty of Business & Informatics Maxwel...
by "Brian Dangerfield"
Sun Apr 16, 2000 7:35 pm
Forum: SD Mailing List Archive
Topic: seeking diffusion data
Replies: 2
Views: 6952

seeking diffusion data

I can supply you with data on quarterly diagnosed new AIDS cases in 4 W. European countries, 1982 - 1998. However, the data is in ASCII form and you should be aware that this is not a natural epidemic because new triple therapy introduced in 1996 in western nations has caused a plummeting of new AID...
by "Brian Dangerfield"
Wed Apr 05, 2000 5:48 pm
Forum: SD Mailing List Archive
Topic: Poison Resistence in Rodent Populations
Replies: 0
Views: 2317

Poison Resistence in Rodent Populations

Dear All Does anyone have any info about work related to the spread of genetic resistance to warfarin amongst rodent populations....or anything touching on this subject? If so who is doing it & where? Best wishes Brian. Prof. Brian Dangerfield From: "Brian Dangerfield" <B.C.Dangerfield...