Search found 6 matches
- Tue Dec 09, 2008 7:45 am
- Forum: SD Mailing List Archive
- Topic: ANNOUNCE PCT and an economic emergency
- Replies: 9
- Views: 16613
ANNOUNCE PCT and an economic emergency
Posted by ""Jay Forrest"" <systems@jayforrest.com> Hi Tom! A couple of perverse thoughts. Your email - as always struck great chords. You said. ""The real problem is not Fed policy or FNMA, it's that people got excited about rising asset prices and forgot to think about...
- Sun May 11, 2008 7:13 am
- Forum: SD Mailing List Archive
- Topic: QUERY Models, Problems and Systems
- Replies: 29
- Views: 96201
QUERY Models, Problems and Systems
Posted by ""Jay Forrest"" <systems@jayforrest.com> Hi Jack! That was beautifully written and well said! Bravo! I have no qualms with the modeling of systems. My experiences working with clients with Barry Richmond led me to deeply appreciate the insights available from simple, pe...
- Fri May 09, 2008 7:53 am
- Forum: SD Mailing List Archive
- Topic: QUERY Models, Problems and Systems
- Replies: 29
- Views: 96201
QUERY Models, Problems and Systems
Posted by ""Jay Forrest"" <systems@jayforrest.com> Thanks for bringing this up, Kim! I sympathize with your question for though the nature of system dynamics includes consideration of boundaries, there is a certain tension between the concepts of modeling the problem and modeling...
- Mon Apr 28, 2008 7:08 am
- Forum: SD Mailing List Archive
- Topic: QUERY Meaning of Stock/Level
- Replies: 46
- Views: 38465
QUERY Meaning of Stock/Level
Posted by ""Jay Forrest"" <systems@jayforrest.com> Hi Kim! While I am not a physicist, I am a chemical engineer which requires a significant level of thermodynamics so I feel at least partially qualified to address your comments. The concept of temperature relates to an intensive...
- Sat Apr 26, 2008 6:32 am
- Forum: SD Mailing List Archive
- Topic: QUERY Meaning of Stock/Level
- Replies: 46
- Views: 38465
QUERY Meaning of Stock/Level
Posted by ""Jay Forrest"" <systems@jayforrest.com> Good email, Tom. I was behind and just got to Jack's email. The temperature example is great - and a lot like the ""trust"" model in that temperature is a somewhat arbitrary indicator/measure rather than an co...
- Wed Apr 16, 2008 6:42 am
- Forum: SD Mailing List Archive
- Topic: QUERY Meaning of Stock/Level
- Replies: 46
- Views: 38465
QUERY Meaning of Stock/Level
Posted by ""Jay Forrest"" <systems@jayforrest.com> While following this thread I struggled with the feeling that there was a difference between models that use soft variables to support exploration of relatively concrete issues and topics and models that are specifically concerne...