Author Archives: davebridgeland
At Hanging Steel Productions, we create buyer decision support apps, applications that help buyers make better decisions.
(This is a description of a particular model, a simple Excel model I use for my own business development. I explain it, mostly in words, but with a couple of graphs and a bit of math. If you want to … Continue reading
Models are often built as black boxes. A user can explore the dynamics of the model, trying different actions and viewing the results. But the internals are hidden: the user cannot see how his actions produce the results.
In 2009, Michael Dougherty and I created Mass Enrollment, an interactive simulation of the process of signing up illegal immigrants for an amnesty, should Congress pass a law granting immigration benefits to illegal immigrants.
I have used many modeling and simulation tools. I even worked for a tool vendor once, 15 years ago: Powersim. But lately my favorite tool is Forio Simulate.