We measure the effect of R&D spillovers on plant productivity by taking account of (i) the national origin of the spillovers, (ii) the mechanism through which spillovers may flow (FDI and/or imports), (iii) the sectoral scope of spillovers, as well as (iv) their geographic scope, in a single...

While there have been some references in the literature to the potential role of the general decline in rainfall in sub-Saharan African nations on their poor growth performance relative to other developing countries, this avenue remains empirically unexplored. In this paper we use a new...