Externalities play a central role in most theories of economic growth. We argue that international externalities, in … have international knowledge externalities. When calibrated, the hybrid model does a surprisingly good job of generating …

The diffusion of knowledge in the world generates positive externalities if knowledge flows increase the productivity … of R&D. Our work analyzes knowledge diffusion and knowledge externalities in generating innovation and in determining … productivity. We first estimate the determinants of knowledge flows across 141 sub-national regions in 19 countries of Europe and …

productivity and country-specific variables. In contrast to canonical export models where firm profits are additively separable …

multi-country sourcing model in which heterogeneous firms self-select into importing based on their productivity and country …

productivity and country-specific variables. In contrast to canonical export models where firm profits are additively separable …