Search found 7 matches

by "Scholl Greg"
Thu Jun 04, 1998 8:10 am
Forum: SD Mailing List Archive
Topic: Modelling chemical reactins for chemical formulae
Replies: 7
Views: 5788

Modelling chemical reactins for chemical formulae

You might try Anne Quaadgras; she has experience in modeling these types of phenomena and is also likely to have a good handle on the existing literature. She is located in New York City and is listed in the System Dynamics directory. Good luck, Greg Greg Scholl Principal Booz Allen & Hamilton 1...
by "Scholl Greg"
Mon Apr 27, 1998 8:06 am
Forum: SD Mailing List Archive
Topic: SD models of prison growth?
Replies: 3
Views: 3684

SD models of prison growth?

>From: John Trimble <trimble@scs.howard.edu> >Given the exponential growth in the prison population in this country, >fueled by anti-drug laws and prison without parole laws, Im interested >in studying this situation/problem using system dynamics. Does anyone >know of related work in the U.S., Europ...
by "Scholl Greg"
Mon Oct 27, 1997 8:52 am
Forum: SD Mailing List Archive
Topic: System Dynamics in the elevator
Replies: 22
Views: 16484

System Dynamics in the elevator

Mike McCann wrote: "If you dont know whats on the clients mind you cant address their real issues. Any one who thinks otherwise has either been lucky (once) or doesnt have to sell consulting services for a living. <<snip>> So IMHO, for the REAL WORLD where you find your own salary, dont work to...
by "Scholl Greg"
Wed Feb 26, 1997 1:38 pm
Forum: SD Mailing List Archive
Topic: Structural simulation (variable structure simulation)
Replies: 0
Views: 1138

Structural simulation (variable structure simulation)

In response to CESIMO-ULAs comments about structural simulation and SD: >(Khalid Saeed) mentions as a method to assure SC capabilities: "to incorporate, >into the reference mode, multiple case histories with contradicting patterns. >This way latent structure for re-enacting those patterns, and ...
by "Scholl Greg"
Mon Apr 22, 1996 1:16 pm
Forum: SD Mailing List Archive
Topic: Reliable models SD0018
Replies: 0
Views: 1215

Reliable models SD0018

Jim Hines writes: "Lets first be clear that this benefit of time_series data -- i.e. gaining acceptance -- is separate from the idea of generating insight, I think few system dynamicists would suggest that point-by-point adherence to time-series data is a critical test of model confidence. Howe...
by "Scholl Greg"
Sat Apr 06, 1996 10:27 pm
Forum: SD Mailing List Archive
Topic: SD Success
Replies: 4
Views: 3292

SD Success

Not to harp, but I think this is an important point ... Sam Israelit says: "iThink and Vensim have made it significantly easier for "the common person" to develop powerful models with out having to bother with the details of numerical integration and math." I think you would be h...
by "Scholl Greg"
Wed Apr 03, 1996 11:25 am
Forum: SD Mailing List Archive
Topic: SD success?
Replies: 32
Views: 17874

SD success?

Jim Hines writes: >"To get from 4 people to 500 people in 35 years requires a (continusously >compounded) average growth rate of about 14%." I think this is a dangerous assumption as the average skill set of the first four is probably quite different than that of the current 500. No slight...