“Obviously, we should not jump to silly causal interpretations. No, forcing women to have children will not bring down crime. But use some common sense. These graphs quantify an important set of choices people make around large events in life. The news of a child coming provokes some reflections and behavior changes — let’s just call it growing up.” John Cochrane, “Childbirth and Crime,” The Grumpy Economist, 11/25/2019.