We consider how the GDP or utility output of a city depends on the number of people living within it. From this, we derive some interesting consequences that can inform both government and individual attitudes towards newcomers. Follow @efavdb...

We use a simple argument to estimate the speed of traffic on a highway as a function of the density of cars. The idea is to simply calculate the maximum speed that traffic could go without supporting a growing traffic jam. Follow @efavdb Follow...

Announcing: EFavDB's first major league baseball prediction project! Just as in our corresponding NBA project, we will be providing free-of-charge game winner predictions on a weekly basis. In addition, we've implemented a MLB dashboard...

There were a number of upsets in the NBA this past Christmas week. Here, we offer no explanation, but do attempt to quantify just how bad those upsets were, taken in aggregate. Short answer: real bad! To argue this point, we review and then apply...