Whether international R&D spillovers are global and trade-related is still a debated issue. By adopting two specifications that nest models previously estimated in the literature, we test the hypothesis that international R&D spillovers are global and trade-unrelated for a sample of OECD...

In a much cited paper, Wolfgang Keller (Are international R&D spillovers trade-related? Analyzing spillovers among randomly matched trade partners, European Economic Review, 48, 1469-1481, 1998) claims that international R&D spillovers are global and trade-unrelated. In following works, Keller...

In a much cited paper, Wolfgang Keller (Are international R&D spillovers trade-related? Analyzing spillovers among randomly matched trade partners, European Economic Review, 48, 1469-1481, 1998) claims that international R&D spillovers are global and trade-unrelated. In following works, Keller...