This paper charts the evolution and diversification of trade in knowledge that has taken place in the quarter-century since the WTO TRIPS Agreement came into force. Entirely new markets have come into being, potentially redefining the very character of 'trade'.

Using industry-level R&D and patent data for a sample of 29 countries for the period 2000-2008, we study the importance of international supply linkages for knowledge spillovers. We find a statistically significant effect of supply chains on international knowledge spillovers. We show that...

It has sometimes been argued that "globalization" benefits only a small number of countries, and that this leads to greater marginalization of excluded countries. This paper argues that globalization is not necessarily biased towards greater concentration in international trade and investment...