“…For example, Nilsson () examines a change in alcohol policy that affected binge drinking, Schwandt (2017) examines the impact of contracting influenza during pregnancy (which is preventable by vaccination), and Isen, Rossin‐Slater, and Walker () examine the long‐term effect of having been exposed to higher levels of particulate air pollution in utero or in early childhood. In a developing country context, several authors have demonstrated the effects of reducing infectious disease (Baird, Hamory Hicks, Kremer, & Miguel, ; Beach, Ferrie, Saavedra, & Troesken, ; Bhalotra & Venkataramani, ) and improving nutrition (Adhvaryu, Bednar, Molina, Nguyen, & Nyshadham, ). In an important study, Gertler et al () examined the importance of attending to psychological needs by training mothers to provide psychosocial stimulation.…”