Bryan Caplan, author of Selfish Reasons to Have More Kids: Why Parenting is More Fun and Less Work Than You Think, with wife Corina, twins Aidan and Tristan, and baby Simon – named after the economist Julian Simon, who inspired his work. (Courtesy Emily Korff of Veralana Photography)
Season 7, Episode 44
Think you know how much parents matter? Think again. Economists crunch the numbers to learn the R.O.I. on child-rearing.