Search found 5 matches

by Ed Gallaher
Wed Oct 07, 1998 9:11 pm
Forum: SD Mailing List Archive
Topic: Validity of Models
Replies: 4
Views: 8940

Validity of Models

I tried for several years to obtain neuroscience grant funding which included a promising and innovative (I thought) use of SD to interpret drug diffusion throughout the brain after microinjections in mice. As expected, the reviewers were not familiar with SD, there is little biomedical track record...
by Ed Gallaher
Mon Aug 10, 1998 10:26 am
Forum: SD Mailing List Archive
Topic: Systems from the top: thanks!
Replies: 0
Views: 2296

Systems from the top: thanks!

I have really enjoyed the very thoughtful continuing thread on ownership of ideas in a consulting environment. This work lies outside my universe, but I am trying to learn as much about the "real world" of system dynamics practice and theory, and this thread has been particularly informati...
by Ed Gallaher
Thu Jun 12, 1997 12:20 pm
Forum: SD Mailing List Archive
Topic: Causal loops and diff eq
Replies: 0
Views: 1756

Causal loops and diff eq

Wow - Ive been lurking here all this time, too busy writing grants to be composing messages, but Ill get a good summary of SyM Bowl 97 on here shortly. It was fantastic! Many models were significantly more mature than last year; details to follow. However, I do find it interesting to be eavesdroppin...
by Ed Gallaher
Sat Apr 05, 1997 12:15 pm
Forum: SD Mailing List Archive
Topic: SyM Bowl 97
Replies: 0
Views: 1736

SyM Bowl 97

Welcome to SyM Bowl 97! I have not been contributing to this list lately, but I have been following it regularly. Just been too busy. Most of you know that we ran the first "SyM Bowl" (Systems Modeling Bowl) last April, a competition among high school SD students in the Portland OR area. A...
by Ed Gallaher
Tue Dec 10, 1996 5:54 pm
Forum: SD Mailing List Archive
Topic: oil and gas prices and reserves
Replies: 7
Views: 7008

oil and gas prices and reserves

In a letter to the editor of the Portland Oregonian, on 12/9/96. Jim Craig of the American Petroleum Institute says: "Sachs incorrectly reports "most of the worlds known oil reserves will be used up in 10 years", ... Let me cite the highly regarded U.S. Geological Survey, which estima...