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Old Subject: The Derivative in the Real World I would like to seek thoughts on one issue from this latest discussion - explaining dT. The mystical meaning of dT seems to be a major conceptual hurdle for most regular people [not math genii] getting their heads around system dynamics, especially when ...

I would like to support this response. It is indeed wise to avoid 'doing something' without understanding the consequences ... but that is precisely what we are already doing by releasing in a few hundred years vast quantities of carbon that the global ecosystem locked up over millions of years. Do ...

whilst I agree fully with Stu's warning about using our 'hammer' only when the problem is a 'nail' let's not lose sight of the fact that these particular nails are ubiquitous. Outside the weird world of quantum mechanics, I don't think there's any means for causality to operate at a distance through...

Hi Drew - this has been pretty much my mission over the last few years in the strategy field .. both working with executives and teaching MBAs. Key experiences .. - it may be different in your profession, but there's a deep reluctance amongst managers to think numerically. -- this may be why feedbac...

I am interested to hear of any recent work done on the issue of global warming - especially any efforts concerning education and communication of the dynamics of the issue to people with no SD background. All settings are of interest .. government, education, industry, general public. Kim Warren Fro...

Just a small clarification - the work on Sierra Leone did not include a formulated model, but was limited to a paper-and-pencil architecture of the main factors in the situation, incorporating rough estimates from various sources of time-paths for key items. Kim From: ""Kim Warren"&qu...

I did a short [and highly preliminary] piece of desk analysis with colleagues on the outbreak of peace in Sierra Leone. Although not taken further, we checked the principles with people who had experience on the ground. Will send you the paper off-line, but please recognise its tentative status. The...

A number of speakers at the Conference charged us with If were so smart, we should be tackling the really big issues - I have some suggestions in the business field, heres the first. The world seems to have shrugged its shoulders over the huge boom and bust in Dot-Coms and tech stocks during the las...

A few of us were chatting after the conference, and someone (who doesnt want to be named, but you know who you are!) came up with what we thought was a neat idea that seemed worth opening up - specifically re the tension between the needs of academics and practitioners. In the business meeting there...

Ive had a couple of interesting responses from insiders in the recent tech-bubble, who seem to share the sense of frustration. Heres one - who prefers to remain anonymous ... It seems to me that a logical first step would be to evaluate the business plans (and associated spreadsheet models) used by ...