GeoDist makes available the exhaustive set of gravity variables used in Mayer and Zignago (2005). GeoDist provides several geographical variables, in particular bilateral distances measured using citylevel data to assess the geographic distribution of population inside each nation. We have...

This paper studies the effect of oil prices on the geography of international trade. We model transport costs as a function of variable and fixed costs. By affecting the first cost component, oil prices can then modify the structure of transportation costs across partners. This, we argue, acts...

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)...