Executive Summary Part I. International Transactions of OECD Countries. A. International Trade and Investment Flows. B. Foreign Direct Investment. Part II. The Economic Activity of Multinationals. C. The Activity of Multinationals in the Manufacturing Sector. D. The Activity of Multinationals in the Services Sector. E. Comparison between the Activity of Foreign Affiliates in the Manufacturing Sector and in the Services Sector. F. The Contribution of Multinationals to Value Added and Labour Productivity in the Manufacturing and Services Sectors. Part III. The Internationalisation of Technology. G. The Internationalisation of Industrial R&D. H. the International Diffusion of Technology. Part IV. Aspects of Trade Globalisation. I. Trends in International Trade in Goods and Services. J. Intra-Frim Trade of Multinational Enterprises. Annex. Main OECD Databases Used.