Recent studies emphasize the importance of socio-emotional skills for the success in school as well as for later economic outcomes. However, little is known how practices used by teachers everyday in classrooms impact socio-emotional skills. We show that modern practices such as working in small...

This paper reports on a lab-in-the-field experiment that investigates differences in rule-violating behavior between the inmates of juvenile detention centers and regular adolescents from primary schools of similar age in response to three specific contexts: (i) when they interact with ingroup...