It is necessary for multilateral trade negotiations to include exceptions to accommodate politically sensitive sectors. However, given the highly concentrated distribution of agricultural protection, too many exceptions put at risk the objectives of World Trade Organization. This paper assesses...

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...