Bhattacharya, Jayanta - 2004
difference-in-differences strategy to account for unobserved differences between students with access to SBP and those without … findings. First, the SBP helps students build good eating habits: SBP increases scores on the healthy eating index, reduces the … serum micronutrient deficiencies in vitamin C, vitamin E, and folate, and it increases the probability that children meet …