The demographic history of the Jews in the Middle Ages may be characterized by two main phenomena: i) a sharp drop in the number of Jews until the beginning of the modern period, due mainly to conversions; and, ii) early urbanization. Until now, these features have been analyzed as primarily...

The U.S. tuberculosis movement pioneered many of the strategies of modern public health campaigns. Dedicated to eradicating a specific disease, it was spearheaded by voluntary associations and supported by the sale of Christmas seals. Although remarkable in its scope and intensity, the...

Electricity is a general purpose technology and the catalyst for the second industrial revolution. What was its impact on the structure of employment? We use U.S. Census data from 1910 to 1940 and measure electrification with the length of higher-voltage electricity lines. Instrumenting for...

Industrialization and the rise of nationalism were the two major developments in Germany before the World War I. A novel county-level dataset reveals that industrialization and nationalism measured by membership in the "Kriegervereine'", the biggest civil organization at the time, were...