This paper aims at opening the black box of peer effects in adolescent weight gain. Using Add Health data on secondary schools in the U.S., we investigate whether these partly flow through the eating habits channel. Adolescents are assumed to interact through a friendship social network. We...

Many low income countries are experiencing a “nutrition transition” towards the consumption of more energy-dense, highly processed foods and beverages that are often high in caloric sweeteners, fat and salt. Changing lifestyles and urbanisation have coincided with a ‘retail revolution’,...