A large body of empirical research finds that a pair of regions within a country tends to trade 10 to 20 times as much as an otherwise identical pair of regions across countries. In the context of the standard trade models, the large "border effect" is problematic, because it is consistent only...

We use a novel classification scheme to identify three stages of production in the manufacturing sector: parts, components, and final goods. In particular, we offer evidence on the revealed comparative advantage of the EU-27 countries concerning the three vertically separated stages of...

This study analyses how the relative specialisation indexes of production and export for various categories of products are correlated with the technological level of a country expressed in RDI expenditures and number of patent applications to the EPO. We showed that the countries investing in...