The media impact of economic news publications is mainly the result of their predictive nature. It is not new. Since the beginning of humanity, and astrology emergence can testify of it, men are obsessed by what may arrive to them and pay a lot of attention to those who pretend to tell it to them. The success of economics and of the economists is the current version of this phenomenon. There is not a single day without the release of economic forecasts. Due to the necessary delay to gather numbers we are at the point where we forecast or revise ...