Externalities play a central role in most theories of economic growth. We argue that international externalities, in … particular, are essential for explaining a number of empirical regularities about growth and development. Foremost among these is … that many countries appear to share a common long run growth rate despite persistently different rates of investment in …

main drivers of exponential growth in economic possibilities; second, a gradual general rebalancing of life choices away …

heterogeneity on economic outcomes. The results confirm the generally found growth-reducing effect of ethnic heterogeneity but also … between countries and its impact on trade, the DELF is, indeed, a very valuable measure of cultural affinity between countries …, also showing this affinity affects trade flows in a positive way, especially of heterogenous goods. …