Hoffmaister, Alexander W.; Coe, David T.; Helpman, Elhanan - International Monetary Fund (IMF) - 2008
The empirical analysis in "International R&D Spillovers" (Coe and Helpman, 1995) is first revisited by applying modern …. The new estimates confirm the key results reported in Coe and Helpman about the impact of domestic and foreign R&D capital … stocks on TFP. In addition, we show that domestic and foreign R&D capital stocks have measurable impacts on TFP even after …