Are International R&D Spillovers Costly For The U.S.?
According to the authors research, The U.S. appears to be a net loser in terms of international research and development spillovers. The interpretation is that when competitors ‘catch-up’ technologically, they challenge U.S. market shares and investments worldwide, which has implications for U.S. productivity.
Link
http://www.swan.ac.uk/economics/res2004/program/papers/LuintelKhan.pdf