Politicians travel extensively abroad, for various reasons. One purpose of external visits is to improve bilateral economic relations. In this paper, I examine the effect of state visits on international trade. I use a large data set covering the travel activities of the heads of state of...

Any theory may include partially and/or completely non-elucidated problems. If these are confirmed in practice, for a given time, such problems are presented as ‘laws' and after, ‘forgotten'. Of course, new theories may elucidate some of these problems but may also open some new other...

National borders reduce trade, but most estimates of the border effect seem puzzlingly large. We show that major methodological innovations of the last decade combine to shrink the border effect to a one-third reduction in international trade flows worldwide. The border effect varies across...

Trade policy has well documented effects on trade volumes. Reaching beyond volumes, I explore the impact of European emerging economies' recent institutional trade liberalisation on extensive (i.e., the set of imported goods) versus intensive import margins (volumes per imported good) with...

This paper assesses macroeconomic determinants of labour mobility and its role in the adjustment to asymmetric shocks. First, the paper develops stylised facts of mobility at the national and sub-national levels in the EU. Then, it explores the macroeconomic determinants of bilateral migration...