The wisdom of crowds

The idea that financial markets are efficient is fascinating. A compelling story about market efficiency is the one about the Space Shuttle Challenger disaster. The Challenger broke apart within minutes after its launch on 28 January 1986. I remember it very well. It was a cold day, I was in Groningen, the Netherlands. I cycled back home… Read More The wisdom of crowds

A python script to manage regulatory data of U.S. Bank Holding Companies

The Chicago Fed offers great data on bank holding companies, click here for the full page, andĀ hereĀ for the download page. The data is big, deep, large. The number of variables is stunning (more than 3,000). The format is a flat text file with a typical delimiter: a caret (^) separates the data fields. How to… Read More A python script to manage regulatory data of U.S. Bank Holding Companies