“…Other international organisations, such as the IMF, have gone further in publishing forecast ranges, fan charts and assessments of the likelihood of the occurrence of particular events, such as recession or deflation. The OECD has also recently been carrying out work to evaluate the usefulness of early warning indicators which can signal the probability of an imminent severe recession or crisis [Hermansen and Röhn (2015); Röhn et al (2015)], although this has not yet been incorporated as part of the regular commentary around the central forecast. Such developments, which explicitly recognise the inevitable uncertainty around global macroeconomic forecasts, appear particularly appropriate given the paucity of the forecast track-record beyond the current year, especially in predicting downturns.…”