While there have been many studies examining whether breastfeeding is associated with a reduced risk of childhood obesity, it has not been clear how long mothers need to breastfeed to reduce their child’s risk of obesity, and whether the use of formula in conjunction with breastfeeding lessens...

While there have been many studies examining whether breastfeeding is associated with a reduced risk of childhood obesity, it has not been clear how long mothers need to breastfeed to reduce their child’s risk of obesity, and whether the use of formula in conjunction with breastfeeding...

This working paper compares teacher/student links that have undergone a roster confirmation process—whereby teachers verify the subjects and students they taught—to teacher/student links from unconfirmed administrative data. Due to the departmentalization of instruction in math and...