Policies and programs to improve global nutrition increasingly aim to improve diet quality through systemic change in food environments, often focusing on the availability and price of diverse food items. Almost all of the world’s governments conduct nationally representative surveys of retail...

To monitor changes in absolute poverty across time, it is crucial to ensure that the established poverty line is a fixed standard of living that represents the minimum standard required by an individual to fulfill his or her basic food and non-food needs. Typically, the food (component of the)...