In parts of Asia, South Caucasus, and the Balkans, son preference is strong enough to trigger significant levels of sex selection, result in the excess mortality of girls, and skew child sex ratios in favor of boys. Every year, 1.8 million girls under the age of five go "missing" because of the...

A large literature documents the positive influence of a city's skill structure on its rate of economic growth. By contrast, the effect of a city's age structure on its economic growth has been a hitherto largely neglected area of research. This paper hypothesizes that cities with more...