Search found 117 matches

by John Sterman
Mon Jul 15, 2002 2:30 pm
Forum: SD Mailing List Archive
Topic: Ecological Footprint of Humanity
Replies: 10
Views: 12941

Ecological Footprint of Humanity

I highly recommend the paper described below for all system dynamics folks. The paper provides an estimate of the extent to which humanity is living beyond the sustainable capacity of the earth. The lead author, Mathis Wackernagel, has long been a member of the Balaton group founded by Dana Meadows ...
by John Sterman
Wed Jul 03, 2002 11:11 am
Forum: SD Mailing List Archive
Topic: Representing constraints
Replies: 30
Views: 43683

Representing constraints

Id like to second Alan Grahams excellent reply to Nialls query about representing the ideal gas law PV = NkT as an explicit dynamical system. Alan described beautifully how different purposes (e.g., representing different physical situations, such as heating a closed container of gas versus, say, co...
by John Sterman
Fri May 03, 2002 9:08 am
Forum: SD Mailing List Archive
Topic: Beer/Wine Game
Replies: 6
Views: 10743

Beer/Wine Game

Niall is setting a great example by providing both his beer game model and candid reflections on the experience. the description was informative. a couple of points. 1. we always tell people the game will run 50 weeks, but run it only 36, precisely to avoid the horizon effects Niall describes. the r...
by John Sterman
Wed Apr 10, 2002 8:47 am
Forum: SD Mailing List Archive
Topic: Congratulations to Ed Anderson
Replies: 1
Views: 15880

Congratulations to Ed Anderson

Im delighted to report that Prof. Edward G. Anderson, Assistant professor of Management at The McCombs School of Business, University of Texas at Austin, has won the "Wick Skinner Early Career Award" given by the Production and Operations Management Society (POMS). The Skinner Award is giv...
by John Sterman
Wed Mar 27, 2002 8:20 am
Forum: SD Mailing List Archive
Topic: postdoc available
Replies: 0
Views: 2549

postdoc available

This post doc opportunity may be of interest to SD folks. Contact Alan Perelson directly if interested - John Sterman ******************************************* Infectious Disease / Immune System Modeling Location: Los Alamos National Laboratory Theoretical Biology and Biophysics Group The successf...
by John Sterman
Fri Mar 15, 2002 10:11 am
Forum: SD Mailing List Archive
Topic: This List and The System Dynamics Society
Replies: 8
Views: 12944

This List and The System Dynamics Society

Im distressed by and grateful to Niall Palfreyman for his post. Distressed that Niall doesnt feel welcome on this list; grateful to him for having the courage to say so. So Niall, thank you. One of the main goals of system dynamics is to expand the boundaries of our mental models, breaking down the ...
by John Sterman
Mon Mar 11, 2002 8:47 am
Forum: SD Mailing List Archive
Topic: Special Issue call for papers
Replies: 0
Views: 3520

Special Issue call for papers

This special issue of Computational and Mathematical Organization Theory may be of interest to many in the system dynamics community. John Sterman ******************* Call for Papers: Special Issue of Computational and Mathematical Organization Theory on Learning in Dynamic, On-line Environments Ful...
by John Sterman
Tue Feb 26, 2002 7:09 pm
Forum: SD Mailing List Archive
Topic: Post-Doc: Agent-Based Simulations in Fisheries
Replies: 0
Views: 3682

Post-Doc: Agent-Based Simulations in Fisheries

An interesting postdoc opportunity. John Sterman **** Dear colleagues, Ifremer is currently offering a post-doctoral position on the following subject: Modeling short-term fisheries dynamics: an agent-based approach ("Modélisation économique des dynamiques de court terme des activités halieutiq...
by John Sterman
Thu Feb 21, 2002 6:25 pm
Forum: SD Mailing List Archive
Topic: job opening at Penn
Replies: 0
Views: 3571

job opening at Penn

Barry Silverman asked me to publicize this job opening at Penn. For more information you can contact Barry directly at: Barry G. Silverman, Ph.D. Professor of Engineering/SE & CIS, Wharton/OPIM, and Medicine Director, Ackoff Center for Advancement of Systems Approaches (ACASA) Towne Bldg, Rm 229...
by John Sterman
Mon Feb 11, 2002 7:05 pm
Forum: SD Mailing List Archive
Topic: POST DOCTORAL FELLOWSHIP IN Modeling Ethics and Technology
Replies: 0
Views: 3598

POST DOCTORAL FELLOWSHIP IN Modeling Ethics and Technology

FYI, John Sterman POST DOCTORAL FELLOWSHIP IN MODELING, ETHICS & TECHNOLOGY The Centre for Applied Ethics (CAE) at the University of British Columbia invites applications for a one-year (renewable) post-doctoral research fellow. Candidates must have completed their doctoral studies in a field re...
by John Sterman
Wed Feb 06, 2002 8:47 am
Forum: SD Mailing List Archive
Topic: Reprints of papers from California Management Review
Replies: 0
Views: 2316

Reprints of papers from California Management Review

Several people have asked where they can get reprints of the paper by Nelson Repenning and myself that recently won the California Management Review Accenture Award. If you send me your snail mail address we will be happy to send a reprint, along with the other articles on system dynamics that appea...
by John Sterman
Thu Dec 20, 2001 9:42 am
Forum: SD Mailing List Archive
Topic: SD knowledge/Text Based Models
Replies: 1
Views: 5989

SD knowledge/Text Based Models

The question of whether rate-to-rate connections are proper in SD models has recently come up. First, what is a rate-to-rate connection? Consider a classic inventory management model, where Inventory = INTEGRAL(Production - Shipments) To keep this as simple as possible, ignore work in process and al...
by John Sterman
Wed Dec 19, 2001 12:43 pm
Forum: SD Mailing List Archive
Topic: job openings of potential interest
Replies: 0
Views: 5303

job openings of potential interest

The announcement below describes 5 open academic posts at the Swiss Federal institute of Technology in Zürich, sent by my colleague Hans-Jakob Luethi. One of these is in "systems design." Hans-Jakob is interested in promoting "dynamical system thinking in the business environment with...
by John Sterman
Tue Dec 11, 2001 9:08 am
Forum: SD Mailing List Archive
Topic: Upcoming NECSI programs / ICCS
Replies: 0
Views: 5317

Upcoming NECSI programs / ICCS

Folks, here are some programs of potential interest being offered by NECSI, the New England Complex Systems Institute. System dynamics modelers may be particularly interested in submitting proposals to present at the ICCS this spring. John Sterman ******* Reminder about three upcoming programs: * On...
by John Sterman
Wed Nov 28, 2001 10:19 am
Forum: SD Mailing List Archive
Topic: Tenure Track Position in Modelling of Socio-Technic-Economic
Replies: 0
Views: 5656

Tenure Track Position in Modelling of Socio-Technic-Economic

Here is a job opening in modeling of potential interest. John Sterman From: John Sterman <jsterman@MIT.EDU> The Department of Systems Analysis, Integrated Assessment and Modelling (SIAM) of the Swiss Federal Institute of Environmental Science and Technology (EAWAG) is seeking applications for a Tenu...
by John Sterman
Fri Nov 02, 2001 8:44 am
Forum: SD Mailing List Archive
Topic: New book on organizational modeling
Replies: 0
Views: 5281

New book on organizational modeling

Folks, you may be interested in this new book on organizational modeling, edited by Erik Larsen and Alessandro Lomi. John Sterman From: John Sterman <jsterman@MIT.EDU> Dynamics of Organizations Computational Modeling and Organizational Theories edited by Alessandro Lomi and Erik R. Larsen An organiz...
by John Sterman
Thu Oct 11, 2001 2:12 pm
Forum: SD Mailing List Archive
Topic: Unwarranted Criticism
Replies: 16
Views: 21400

unwarranted criticism

Heres a simple dynamic hypothesis as to why negative characterizations of system dynamics such as the one that started this thread persist. Before describing it, I should note that these characterizations might persist because they are true. My view, which will surprise no one, is that good SD work ...
by John Sterman
Tue Oct 02, 2001 8:52 am
Forum: SD Mailing List Archive
Topic: Position DARDEN GRADUATE SCHOOL OF BUSINESS ADMINISTRATION
Replies: 0
Views: 5355

Position DARDEN GRADUATE SCHOOL OF BUSINESS ADMINISTRATION

Here is a faculty opening at the UVa Darden School; note that they are interested in System Dynamics. From: John Sterman <jsterman@MIT.EDU> >DARDEN GRADUATE SCHOOL OF BUSINESS ADMINISTRATION, UNIVERSITY OF VIRGINIA > > Quantitative Analysis Area > > Applications are invited for a tenure-track facult...
by John Sterman
Tue Sep 04, 2001 1:42 pm
Forum: SD Mailing List Archive
Topic: SD in the California Management Review
Replies: 0
Views: 4292

SD in the California Management Review

Folks, We wanted to let you know that the latest issue of the California Management Review (Summer 2001, vol 43, number 4) includes a special "symposium" on system dynamics modeling. The symposium, part of an issue guest-edited by Sara Beckman and Michael Katz (Haas School of Management at...
by John Sterman
Sun Aug 26, 2001 10:54 am
Forum: SD Mailing List Archive
Topic: ACM TOMACS Special Issue
Replies: 0
Views: 3108

ACM TOMACS Special Issue

This may be of interest to various folks in the SD community. John Sterman From: John Sterman <jsterman@MIT.EDU> >From: "Shane Henderson" <shane@orie.cornell.edu> >To: <ics.email.list@umich.edu> >Subject: ACM TOMACS Special Issue >Date: Thu, 23 Aug 2001 09:53:51 -0500 >X-Priority: 3 > >The...
by John Sterman
Sat Aug 04, 2001 1:32 pm
Forum: SD Mailing List Archive
Topic: Preventing the next boom and bust
Replies: 12
Views: 17027

preventing the next boom and bust

Experiment and failure are indeed a normal and desirable part of the innovation and learning process, for individuals and for society, as Paul Martin nicely put it. The more troubling issue is that a great deal of the excesses and losses weve seen in this latest tech bubble, and in many prior bubble...
by John Sterman
Mon Jul 30, 2001 4:36 pm
Forum: SD Mailing List Archive
Topic: Call for Papers: AGENT-BASED MODELING in the SOCIAL SCIENCES
Replies: 0
Views: 3297

Call for Papers: AGENT-BASED MODELING in the SOCIAL SCIENCES

FYI, an interesting conference opportunity... John Sterman >CALL FOR PAPERS > >THE FIRST LAKE ARROWHEAD CONFERENCE on COMPUTATIONAL SOCIAL SCIENCE >AGENT-BASED MODELING in the SOCIAL SCIENCES >Thursday, May 9th to Sunday, May 12th, 2002. > >The UCLA Conference Center is located at Lake Arrowhead, a ...
by John Sterman
Fri Jul 20, 2001 8:31 am
Forum: SD Mailing List Archive
Topic: The order of a system
Replies: 16
Views: 10655

The order of a system

Nialls summary of the responses on the meaning of the order of a system is interesting. He closes with two concerns and examples: >First - and this is the problem that set my thoughts going on this >subject - what about a model which consists basically of just one >converter: >x = A.sin(kt) + B.cos(...
by John Sterman
Wed Jul 18, 2001 8:45 am
Forum: SD Mailing List Archive
Topic: The order of a system
Replies: 16
Views: 10655

The order of a system

Niall Palfreyman asks about the order of a dynamical system, with an example of the order of the system dx/dt = ax vs its solution x(t) = x(0)exp(at). 1. The differential equation dx/dt = ax is a description of the structure of a system, in this case a first-order linear positive feedback system (fo...
by John Sterman
Fri Jun 01, 2001 5:19 pm
Forum: SD Mailing List Archive
Topic: Job openings
Replies: 0
Views: 2710

Job openings

Hal Hamilton of the Sustainability Institute asked me to forward this to the SD list. John >Colleagues, > >There are two important job openings for US citizens at the Packard >Foundation, one as a program officer in the Conservation program and the >other in their Science program. These are high lev...