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...

In the midst of the COVID-19 health crisis, many observers advocated the implementation of a global strategy to promote the production and equitable distribution of vaccines, prevent the emergence of infectious diseases, and reduce the risk of future pandemics. But what are the implications of...