Well, austrian economists have predicted the 2008 housing/financial crisis. A good methodology can predict crises based on aggregate models. Predicting when is a different issue, although some have done that, at least with the 2008 financial crisis. http://www.lewrockwell.com/2010/12/walter-e-block/who-predic... http://archive.lewrockwell.com/block/block168.html