Search found 9 matches

by "Malczynski, Leonard A"
Fri Feb 27, 2004 8:48 am
Forum: SD Mailing List Archive
Topic: Research/SD models on rural community development
Replies: 1
Views: 2995

Research/SD models on rural community development

Frank, You may want to look at these links http://www.reeusda.gov/sbir/97phase1.htm#PROGRAMMODELS http://www.reeusda.gov/sbir/98phase2.htm#PROGRAMMODELS from the USDA SBIR site (I coincidently just contacted them on Wednesday for more detail, no response yet) also see: ISDC 96 Dynamic Simulation of ...
by "Malczynski, Leonard A"
Wed Feb 25, 2004 1:24 pm
Forum: SD Mailing List Archive
Topic: Introducing SD to other social scientists
Replies: 2
Views: 3446

Introducing SD to other social scientists

Hello fellow system dynamicists, We have a multi-disciplinary team working on understanding water rights transfers and water banking issue in New Mexico. The team has social scientists new to SD. I have provided them access to much of the SD literature. I have searched the SD bibliography for work t...
by "Malczynski, Leonard A"
Wed Dec 17, 2003 8:49 am
Forum: SD Mailing List Archive
Topic: Topica list for Powersim products
Replies: 1
Views: 5680

Topica list for Powersim products

Sorry to be so fickle, upon receiving good advice about the pitfalls of Topica I have established a list at Yahoo Groups. The particulars follow: Group name: powersimtools Group home page: http://groups.yahoo.com/group/powersimtools </group/powersimtools> Group email: powersimtools@yahoogroups.com <...
by "Malczynski, Leonard A"
Tue Dec 16, 2003 12:41 pm
Forum: SD Mailing List Archive
Topic: Topica list for Powersim products
Replies: 1
Views: 5680

Topica list for Powersim products

I established a Topica list in June to address syntax and modeling issues related to Powersims Constructor, Studio, and Solver products. Please feel free to start using it at: http://www.topica.com/lists/powersimstudio/ Regards, Len Len Malczynski From: "Malczynski, Leonard A" <lamalcz@san...
by "Malczynski, Leonard A"
Thu Jul 17, 2003 10:48 am
Forum: SD Mailing List Archive
Topic: Tax policy models
Replies: 1
Views: 2596

Tax policy models

Greetings, The State of New Mexico recently established a tax review commission. I have volunteered to help a non-for-profit organization, Think New Mexico, try to use an SD approach to examine the issues. Does anyone have references to tax models? Thanks P.S. I did check the SD bibliography Len Mal...
by "Malczynski, Leonard A"
Thu Feb 27, 2003 9:40 am
Forum: SD Mailing List Archive
Topic: Simulation Model Interchange Language
Replies: 13
Views: 16476

Simulation Model Interchange Language

The DOE National Laboratories may be interested in developing a Simulation Model Interchange Language Entity (SMILE). There are internal research funds available on a competitive basis to tackle problems such as these. We, at Sandia National Laboratories, are increasingly using SD to look at a varie...
by "Malczynski, Leonard A"
Mon Jun 11, 2001 10:14 am
Forum: SD Mailing List Archive
Topic: System Dynamics Certification
Replies: 12
Views: 9982

System Dynamics Certification

Mark Wallace states, his profession is, "...computer software, and, in that field, its all "multiple-guess." It is my profession too. (I am still aspiring in SD). Marks statement is definitely true for questions of syntax but not for questions of semantics. The software profession has...
by "Malczynski, Leonard A"
Thu Jun 01, 2000 12:06 pm
Forum: SD Mailing List Archive
Topic: SD Related Humor
Replies: 0
Views: 2080

SD Related Humor

The supreme being(s) forbid putting SD in the same camp as economics, but here is a similar bit of humor (to that sent by James Melhuish) from the economics point of view: An economist is an expert who will tell you tomorrow why the things he predicted yesterday didnt happen today. (Laurence Peter) ...
by "Malczynski, Leonard A"
Tue Jun 29, 1999 9:14 am
Forum: SD Mailing List Archive
Topic: Banking Models
Replies: 1
Views: 4062

Banking Models

To the system dynamics community, I am searching for models on banking and international finance. My first attempt is to model a banks operation by modeling the standard T account balance sheets. In addition I am looking for information on how domestic banks might link to the international finance s...