Presents OECD's assessment of the economic outlook to the end of 2006 for the OECD area and China, Brazil, and the Russian Federation.  It finds that Japan and the US have rebounded but that Europe is lacking in sustained momentum, and it carefully examines why. This issue of the OECD Economic Outlook also includes several medium-term scenarios projecting to 2010. The special chapter covers measuring and assessing underlying inflation.