Forecast errors are large in the recently acceded Member States and the mistakes have a similar order of magnitude in the Commission services' forecasts, Consensus forecasts and projections made by national authorities. The prediction mistakes cannot be attributed to bias or autocorrelation....

While in the Commission Forecasts interest rates, exchange rates or oil prices are treated more like assumptions, it is interesting to test their realism. It appears that these variables are formulated in a reasonably accurate way and that in general alternative assumptions would not improve the...