Using a randomized field experiment in Costa Rica, we estimate the effect of providing parents of preschool students with a text message intervention containing information and activities to engage them with their children's learning process at home. After 15 weeks of intervention, the cognitive...

Using a randomized field experiment in Costa Rica, we estimate the effect of providing parents of preschool students with a text message intervention containing information and activities to engage them with their children's learning process at home. After 15 weeks of intervention, the cognitive...

Beliefs about beliefs---second-order beliefs---about the differences between populations are important to understanding differences in outcomes between those populations. To study their potential impact, we develop an incentive-compatible experimental framework for eliciting beliefs...