Several authors have already highlighted the major role of ICT in the revival of labour productivity growth in the US. 7 While the ICT sector is the single most important source of productivity growth, it represented only 40% of EU productivity growth compared with 60% in the US. In 2004, total R&D investment in the  4  Eurostat and OECD. 5  OECD.
6  Source: Eurostat and the OECD. 7  See Oliner and Sichel (2002), “Information technology and productivity: where are we now and where are we going?”, Federal Reserve Board. See also Jorgenson, D, M S Ho and K Stiroh (2002), “Information Technology, Education, and the Sources of Economic Growth across U.S. industries”, mimeo.