In this Paper we carefully link knowledge flows to and from a firm’s innovation process with this firm’s investment decisions. Three types of investments are considered: investments in applied research, investments in basic research, and investments in intellectual property protection. Only...

We assess the importance of information flows from universities to innovative firms and determine the relative contribution of formal collaboration and pure knowledge spillovers in this process. We find that spillovers provide the most benefit to firms that imitate existing technologies or those...

We examine the growth promoting roles of R&D, international R&D spillovers, and trade in a world econometric model. A country can raise its total factor productivity by investing in R&D. Countries can also boost their productivity by trading with other countries that have large ‘stocks of...

The empirical analysis in "International R&D Spillovers" (Coe and Helpman, 1995) is first revisited by applying modern panel cointegration estimation techniques to an expanded data set that we have constructed for the purpose of this study. The new estimates confirm the key results reported in...

Firms' incentives to form research joint ventures (RJVs) are analysed in an incomplete information framework when technological know-how is private information. Firms first decide on cooperation and information revelation and then compete for a patent. Provided that spillovers exist in the case...