Oster, Emily F.; Chen, Gang; Yu, Xinsen; Lin, Wenyao - 2021
ratios. To test this, we collected data on the offspring gender for a cohort of 67,000 people in China who are being observed …-carrier parents. Further, since a number of Asian countries, China in particular, have high hepatitis B carrier rates, Oster (2005 …) suggested that hepatitis B could explain a large share { approximately 50% { of Asia's \missing women". Subsequent work has …