The barriers faced by Chinese rural-urban migrants to access social services, particularly education, in host cities could help explain why the majority of migrants choose to leave their children behind. This paper proposes a theoretical framework that allows for an explicit discussion of the...

The WHO has recently debated whether to reaffirm its long-standing recommendation of mass drug administration (MDA) in areas with more than 20 percent prevalence of soil-transmitted helminths (hookworm, whipworm, and roundworm). There is consensus that the relevant deworming drugs are safe and...