In chapter 1, “What Do Schoolteachers and Sumo Wrestlers Have In Common”, Levitt commences by making the reader imagine that they are the manager of a day-care center. He continues by claiming that there are an unreasonable amount of parents that arrive late to pick up their children, so the workers are forced to stay overtime without extra pay. Because this was a major concern, economists decided on conducting an experiment to see if an “incentive” would make the parents consider arriving on time. The incentive was that if a parent came in later than 10 minutes after pick up time, they would be charged a $3 penalty. However, the study resulted in doubling the amount of late pickups per week. Furthermore, the incentives (moral and economic)
