Hi-Stat Discussion Paper Series No.117 The International Allocation of R&D Activity by US Multinationals: The East Asian Experience in Comparative Perspective Prema-chandra Athukorala and Archanun Kohpaiboon September 2005 Hitotsubashi University Research Unit for Statistical Analysis in Social Sciences A 21st-Century COE Program Institute of Economic Research Hitotsubashi University Kunitachi, Tokyo, 186-8603 Japan http://hi-stat.ier.hit-u.ac.jp/