Monthly Archives: October 2008

Finding the Relative Importance of each State in the Electoral College

The Banzhaf Power Index is an interesting thing. In a situation where participants (players) in a vote have differing weights, depending on the weights of every player, their relative importance or “power” may be surprising. What the index measures is, in all possible situations, how critical were each player? That is, a critical player is […]

How to get an XDR Exchange Rate XML feed from the IMF

There’s a currency used by the IMF called the Special Drawing Right (XDR), which is a unit of currency that floats at a value relative to all other currencies weighted by the strengths of their country’s economy. In a world where the USD wanes in strength, it’s as close to a global currency as we’ve […]