We conducted a randomized controlled trial testing the effect of modest incentives to attend the gym among new members … groups, receiving a payment if they attended the gym at least 9 times over their first 6 weeks as members. The incentives … were a $30 payment, a $60 payment, and an item costing $30 that leveraged the endowment effect. These incentives had only …

We conducted a randomized controlled trial testing the effect of modest incentives to attend the gym among new members … groups, receiving a payment if they attended the gym at least 9 times over their first 6 weeks as members. The incentives … were a $30 payment, a $60 payment, and an item costing $30 that leveraged the endowment effect. These incentives had only …

We analyze the effects of a school-based incentive program on children’s exercise habits. The program offers children …