We use the classical model of structured expert judgment to examine the return on investment (ROI) in a health surveillance network. The US Centers for Disease Control and Prevention launched the Environmental Public Health Tracking Program (Tracking Program) in 2002 to collect available data to...

Gender gaps in skills exist around the world but differ remarkably among the high and low-and-middle income countries. This paper uses a unique data set with more than 20,000 adolescents in rural India to examine whether socioeconomic status and gender attitudes predict gender gaps in cognitive...