The calculation of the number of days worked per year is crucial for understanding pre‐industrial living standards, and yet has presented considerable obstacles due to data scarcity. We present evidence on days worked and seasonality patterns of work using evidence from a large database of...

We consider the impact of non-violent religious conflict on firm-level productivity. We zoom in on a Protestant and otherwise very homogeneous country: early twentieth century Denmark. We exploit variation due to the emergence of pietist movements who fought for the hearts and minds of Danes. In...