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<h2>System Dynamics</h2>
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<img src="SD1.jpg" width="500" height="337">
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<h3>Feedback: </h3>
<ul>
<li>Positive Feedback Drives Growth </li>
<p> </p>
<img src="PFDBK.png" width="400px" height="145px">
<p> </p>
<li>Negative Feedback Limits Growth </li>
<p> </p>
<img src="NFDBK.png" width="400px" height="150px">
<p> </p>
<li>Multiple Feedback Processes Create Complex Behaviors</li>
<p> </p>
<img src="MFDBK.png" width="450px" height="140px">
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<h3>Value:</h3>
<ul>
<li>Simulation models offer a means to make assumptions explicit and testable</li>
<li>Simulation models offer a mechanism to explain the causes behind observed behavior</li>
<li>Simulation offers a means to explore uncertainty in assumptions and bound likely future behavior</li>
<li>Simulation offers a means to explore business behavior and gain insight into how the firm/industry/market
is likely to change and under what timeframe</li>
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<h2>Links</h2>
<P id="extra a"><a href="http://www.systemdynamics.org/">System Dynamics Society</a></p>
<h3>MIT</h3>
<P id="extra a"><a href="https://mitsloan.mit.edu/faculty/academic-groups/system-dynamics/about-us">MIT System Dynamics Group</a></p>
<P id="extra a"><a href="https://mitsloan.mit.edu/faculty/directory/john-d-sterman">Prof John Sterman</a></p>
<P id="extra a"><a href="https://en.wikipedia.org/wiki/Jay_Wright_Forrester">Prof Jay W. Forrester</a></p>
<P id="extra a"><a href="https://mitsloan.mit.edu/faculty/directory/nelson-p-repenning">Prof Nelson Repenning</a></p>
<h3>Papers</h3>
<P id="extra a"><a href="http://static.clexchange.org/ftp/documents/system-dynamics/SD1991-04SDandLessonsof35Years.pdf">SD and the Lessons
of 35 Years</a></p>
<P id="extra a"><a href="http://static.clexchange.org/ftp/documents/system-dynamics/SD1989-07BeginningofSD.pdf">The Beginning of SD</a></p>
<P id="extra a"><a href="http://jsterman.scripts.mit.edu/Online_Publications.html">On-line Papers of Prof Sterman</a></p>
<P id="extra a"><a href="https://onlinelibrary.wiley.com/doi/abs/10.1002/%28SICI%291099-1727%28200021%2916%3A1%3C3%3A%3AAID-SDR183%3E3.0.CO%3B2-5">SD for Mkt
Forecasting</a></p>
<h3>Software</h3>
<P id="extra a"><a href="http://forio.com/">Forio</a></p>
<P id="extra a"><a href="http://www.vensim.com/software.html">Vensim</a></p>
<P id="extra a"><a href="http://www.iseesystems.com/Softwares/Business/ithinkSoftware.aspx">iThink</a></p>
<P id="extra a"><a href="http://www.powersim.com/">Powersim</a></p>
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<p>Copyright 2009, Dynamic Forecasting</p>
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