This paper studies the immediate and long-run mortality effects of the first community-based health intervention in the world - the Framingham Health and Tuberculosis Demonstration, 1917-1923. The official evaluation committee and the historical narrative suggest that the demonstration was...

Using weekly mortality data for London spanning 1866-1965, we analyze the changing relationship between temperature and mortality as the city developed. Our results show that both warm and cold weeks were associated with elevated mortality in the late 19th-century, but heat effects, due mainly...

Fears of immigrants as a threat to public health have a long and sordid history. At the turn of the 20th century, when millions of immigrants crowded into dense American cities, contemporaries blamed the high urban mortality penalty on the newest arrivals. Nativist sentiments eventually led to...

In the 1920s, the United States substantially reduced immigration by imposing country-specific entry quotas. We compare local labor markets differentially exposed to the quotas due to variation in the national-origin mix of their immigrant population. US-born workers in areas losing immigrants...