Policies and programs often aim to improve the affordability of nutritious diets, but existing food price indexes are based on observed quantities which may not meet nutritional goals. To measure changes in the cost of reaching international standards of diet quality, we introduce a new Cost of...

The economics of human nutrition has changed greatly in recent years, as researchers have moved beyond supply and demand of specific foods and total calories to functional aspects of diet quality such as nutrient composition, sustainability and a variety of credence attributes. New kinds of data...