Measured by the ratio of trade to output, the period 1870 1913 marked the birth of the first era of trade globalization and the period 1914 39 its death. What caused the boom and bust? We use an augmented gravity model to examine the gold standard, tariffs, and transport costs as determinants of...

In the Belle Époque, Belgium recorded an unprecedented trade boom, but growth in output per capita was lackluster. We seek to reconcile this ostensible paradox. Because of the sharp decline in both fixed and variable trade costs, the trade boom was as much about the expansion in the number of...

Most nations have experienced an internal armed conflict since 1960. The past decade has witnessed an explosion of research into the causes and consequences of civil wars, belatedly bringing the topic into the economics mainstream. This article critically reviews this interdisciplinary...

Warfare is enormously destructive, and yet countries regularly initiate armed conflict against one another. Even more surprisingly, wars are often quite popular with citizens who stand to gain little materially and may lose much more. This paper presents a model of warfare as the result of...

In the past decade, nearly 20 studies have found a strong, persistent pattern in surveys and behavioral experiments from over 40 countries: individual exposure to war violence tends to increase social cooperation at the local level, including community participation and prosocial behavior. Thus...

We investigate the event-based geopolitical shocks from the Russian invasion of Ukraine on selected agricultural and energy commodities using daily event-based structural vector autoregression (SVAR). We find that the geopolitical shock affects the markets of wheat (3%) and European natural gas...