In 1999, eleven European countries formed the Economic and Monetary Union (EMU); they abandoned their national currencies and adopted a new common currency, the euro. Several recent papers argue that the introduction of the euro has led (by itself) to a sizable and statistically significant...

A country's visa policies are widely assumed to have economic consequences. In this short paper, I examine the effect of the ease with which a country's citizens can enter foreign countries on international trade. Using a specification of the gravity model that avoids the endogeneity problems...

Recent estimates suggest that developing countries lose about 1 trillion US dollars each year due to illicit financial flows. This paper reviews the empirical methodology that underlies those estimates. Various critical aspects of the analytical approach are highlighted, focusing in particular...

The impact of the Covid-19 pandemic on international trade varies along several dimensions, including the type of product, the size of firm and over time. In this note, I provide evidence of systematic variation in the trade response to the pandemic along another, previously unexplored...

Terrorist events typically vary along many dimensions, making it difficult to identify their economic effects. This paper analyzes the impact of terrorism on international trade by examining a series of three large-scale terrorist incidents in France over the period from January 2015 to July...

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...

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...

International trade patterns at the product level are surprisingly dynamic. The majority of trade relationships exist for just a few, often only one to three, years. In this paper, I examine empirically the duration in German import trade at the 8-digit product level from 1995 to 2005. I find...

Language is a strong and robust determinant of international trade patterns: Countries sharing a common language trade significantly more with each other than countries using different languages, holding other factors constant. In this paper, we show that this trade-promoting effect of language...

Language is a strong and robust determinant of international trade patterns: Countries sharing a common language trade significantly more with each other than countries using different languages, holding other factors constant. In this paper, we show that this trade-promoting effect of language...