In spite of widespread tariff reductions, intra-African borders remain thick. Regional trade is inhibited by inadequate transportation infrastructure, but also by various government-imposed measures. This paper combines price data from the World Bank’s International Comparison Project (ICP)...

This paper assesses the impact of migration on export performances. In particular, it highlights and helps understand how African migrants foster African trade. Relying on a new dataset on international bilateral migration recently released by the World Bank spanning from 1980 to 2010, we...

With increasing sophistication, economists have been estimating gravity equations for five decades. Robust evidence shows that borders and distance impede trade by much more than tariffs or transport costs can explain. We therefore advocate investigation of other sources of resistance, despite...