Ventana software support forum

Posted by John Sterman <jsterman@MIT.EDU> The metric for evaluating individual performance should be the same as the metric used to determine the reward individuals receive. Anything else is not incentive compatible. So if individuals are rewarded (paid) according to the total costs of their supply ...

Posted by John Sterman <jsterman@MIT.EDU> Friends, The System Dynamics Group at MIT seeks to fill a new faculty position in system dynamics at the MIT Sloan School of Management. Please forward this to students and others who may be interested. John Sterman Massachusetts Institute of Technology Sloa...

Posted by John Sterman <jsterman@MIT.EDU> I'm pleased to announce the availability of a new, online interactive simulator on climate change. The simulator, available at http://web.mit.edu/jsterman/www/GHG.html, is based on the ""bathtub dynamics"" experiments carried out at the M...

Posted by John Sterman <jsterman@MIT.EDU> CALL FOR PAPERS Special Issue of the System Dynamics Review celebrating the 50th anniversary of the field. The field of system dynamics was founded by Jay Forrester 50 years ago. The 2007 conference of the System Dynamics Society will celebrate this mileston...

Posted by John Sterman <jsterman@MIT.EDU> Martin is exactly right about the polarity of links in a causal map: The correct definition for a positive link, say, x-->+ y is ""an increase in x causes y to rise above what it would have been otherwise, and a decrease in x causes y to fall below...

Posted by John Sterman <jsterman@MIT.EDU> I'm delighted to announce that David Ford and Rogelio Oliva have both been promoted and awarded tenure at Texas A&M University. Both David and Rogelio received their PhDs in system dynamics at MIT. David teaches in the civil engineering department, and R...

Posted by John Sterman <jsterman@MIT.EDU> Folks, Here is the call for papers for the next Behavioral Decision Research in Management conference. Rachel Croson, one of the organizers, asked me to post this to the SD list and to encourage folks doing dynamic decision making research to submit papers. ...

Posted by John Sterman <jsterman@MIT.EDU> Folks, Here is an exciting opportunity to teach system dynamics in the context of development and poverty reduction. If interested, please contact ""Oscar Schiappa-Pietra Cubas"" <oschiappa@apci.gob.pe> directly. John Sterman >>Dear Prof....

Posted by John Sterman <jsterman@MIT.EDU> The order of a model is the number of *independent* stocks, and technically that includes the stocks that do not participate in the feedback structure. The order of the ""active structure"" is the number of stocks that do participate in t...

Posted by John Sterman <jsterman@MIT.EDU> Martin Schaffernicht wonders whether group size matters to the degree of instability seen in the beer distribution game. There is no research I know of that tests this hypothesis. Many other factors may be varying besides group size (or collinearly with grou...

Posted by John Sterman <jsterman@MIT.EDU> Folks, Prof. John Richardson of American University (Wash. DC) has just published a new book that should be of interest to many in the SD community. FYI, John was a long-time colleague of Dana Meadows, among many others in SD, and teaches SD at AU. Below fin...