The aim of this article is to test whether there are differences in productivity between exporters and non-exporters among manufacturing firms from Lodz Voivodeship. Not only do we look for a correlation, but also we verify two main hypotheses about the causality of the postulated relation:...

This paper analyses the role of R&D in the export behaviour of Danish firms. Export behaviour is defined as the likelihood of a firm being an exporter. In the theoretical part of the paper it is argued that export and being R&D active are endogenous with respect to each other, and an empirical...