There is controversy about whether geography matters mainly because of its contemporaneous impact on economic outcomes or because of its interaction with historical events. Looking at terrain ruggedness, we are able to estimate the importance of these two channels. Because rugged terrain hinders...

This article provides a survey of a growing body of empirical evidence that points towards the important long-term effects that historic events can have on current economic development. The most recent studies, using micro-level data and more sophisticated identification techniques, have moved...

Can part of Africa's current underdevelopment be explained by its slave trades? To explore this question, I use data from shipping records and historical documents reporting slave ethnicities to construct estimates of the number of slaves exported from each country during Africa's slave trades....