The European Forecasting Network (EFN) is a research group of European institutions, founded in 2001 under the auspices of the European Commission.• The global economy has continued to expand briskly in the summer of 2006, but in the second half of this year and in the first half of 2007, the upswing of the world economy will lose momentum in the wake of slower growth in the US. In addition, monetary policy has become less expansionary in all important countries, threatening the widespread housing market boom. Finally, fiscal policy will be slightly restrictive in the US, in the euro area, and in Japan in 2006 and 2007. • In the first half of 2006 output in the euro area expanded at the fastest pace in five years, with particularly strong i...