
http://www.ritholtz.com/blog/2010/06/ecri-weekly-leadinbg-indicators-widely-misunderstood/
After all, a 63-country IMF study on economists’ recession-forecasting prowess concluded that “The record of failure to predict recessions is virtually unblemished.” In contrast, the IMF subsequently noted that ECRI “has actually had a very stellar record” of recession forecasting.
Virtually the entire analytical community has been trained to believe that any and all quantitative approaches to forecasting must involve models, i.e., simplified representations of reality. The idea that there could be rigorous quantitative approaches that are not model-based...