Why do borders still matter for economic activity? The reunification of Germany in 1990 provides a unique natural experiment for examining the effect of political borders on trade both in the cross-section and over time. With the fall of the Berlin Wall and the rapid formation of a political and...

A large literature on border effects in the wake of McCallum (1995) documents the massive impact of borders on trade. However, all these studies suffer from an identification problem. Border effects are usually identified from cross-sectional variation alone. We do not know how trade would...

This paper explores the pre-First World War Austro-Hungarian economy as a prominent case where growing conflict between various ethnic and national groups within an empire might have contributed to the emergence of internal borders and even its eventual dissolution. To this end we adopt an...

Why do borders still matter for economic activity? The reunification of Germany in 1990 provides a unique natural experiment for examining the effect of political borders on trade both in the cross-section and over time. With the fall of the Berlin Wall and the rapid formation of a political and...