When we remember the projections which were made a year ago about the world economy, we measure to which extent the art of forecasting is difficult. But that must not impeach us to look with lucidity at the problems the world and, of course, France will be confronted with next year and to try to assess what are at stakes. If the art of governing lies in to know how to forecast, in order to find the appropriate policies and to put them into practice with success, it is important to have an as sound as possible analysis of the ...