This paper analyzes long-term effects of skilled-worker immigration on productivity for the Huguenots migration to Prussia. We combine Huguenot immigration lists from 1700 with Prussian firm-level data on the value of inputs and outputs in 1802 in a unique data base. In 1685, religious...

Urban concentration differs across countries. One determinant of these differences is economic development, which first increases and subsequently decreases urban concentration. I condition the degree of urban concentration on the potential of countries to develop a balanced urban system. These...