Document complet disponible sur OLIS dans son format d'origine Complete document available on OLIS in its original format DSTI/DOC(2010)1 Unclassified English text only DSTI/DOC(2010)1 2 STI Working Paper SeriesThe Working Paper series of the OECD Directorate for Science, Technology and Industry is designed to make available to a wider readership selected studies prepared by staff in the Directorate or by outside consultants working on OECD projects. The papers included in the series cover a broad range of issues, of both a technical and policy-analytical nature, in the areas of work of the DSTI. The Working Papers are generally available only in their original language -English or French -with a summary in the other.Comments on the papers are invited, and should be sent to the