Although non-R&D innovation activities account for a significant portion of innovation efforts carried out across very heterogeneous economies in Europe, how to incorporate them in to economic models is not always straightforward. For instance, the traditional macro approach to estimating the...

Based on the estimation of a theoretically consistent gravity equation, together with a careful computation of transportation costs across countries and industries, the Paper first provides estimates of ‘border effects’ among EU countries. The second objective is to examine the reasons for...