We have calculated and made available different measures of bilateral distances (in kms) available for most countries across the world (225 countries in the current version of the database). For most of them, different calculations of “intra-national distances” are also available. There are...

This paper develops a method to measure difficulties in market access over a large set of countries (both developing and developed) and industries, during the period 1980-2006. We use a micro-founded heterogeneous-consumers model to estimate the impact of national borders on global and regional...