The paper is a contribution to the special issue “150 years Journal of Economics and Statistics”. The starting point is a series of articles on the nature and the history of the German Zollverein by Gustav Fischer in the early volumes of the Journal. Both the perception of the Zollverein and...

This paper studies the effects of a further integration of markets that are characterized by intra-industry trade. The analysis is motivated by the observation that product markets of EU countries are more segmented than is usually supposed, which becomes evident e.g. from high differences in...