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...

The liberalization of the Indian economy in the 1990s led to an unprecedented increase in the availability of prenatal ultrasound technology. In this paper, we analyze the differential spread of ultrasound in India at the state level over a ten-year period (1999 to 2008) and the consequences for...