How persistent are cultural traits? Using data on anti-Semitism in Germany, we find local continuity over 600 years. Jews were often blamed when the Black Death killed at least a third of Europe’s population during 1348–50. We use plague-era pogroms as an indicator for medieval...

We collect new data on the density of associations in 229 towns and cities in interwar Germany. Towns with one standard deviation higher association density – a common proxy for social capital – saw at least 15% faster Nazi Party entry. Not only associations with a militaristic outlook (such...

How persistent are cultural traits? This paper uses data on anti-Semitism in Germany and finds continuity at the local level over more than half a millennium. When the Black Death hit Europe in 1348-50, killing between one third and one half of the population, its cause was unknown. Many...