In a few hours we will know the outcome of the US elections (hopefully without a repeat of 2000!). So, given that eventuality, why should we bother to explore the rather significant disparity in the models being used to create the polls to predict the outcome of the elections? Because doing so will help us understand why the models we use to predict the effects on our investments of market behavior and macroeconomics so often fail us, and why we should approach the use of such models with a full measure of wariness and skepticism. Yet, at the same time, we should understand when the models may actually be useful, and how to use them.
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