This paper uses the Islamic holy month of Ramadan as a natural experiment in diurnal fasting and fetal health. Among births to Arab parents in Michigan, we find prenatal exposure to Ramadan results in lower birth weight. Exposure in the first month of gestation also reduces the number of male...

We analyze the effects of cognitive abilities on two examples of consumer financial decisions where suboptimal behavior is well defined. The first example features the optimal use of credit cards for convenience transactions after a balance transfer and the second involves a financial mistake on...