An intervention to develop perspective-taking reduced peer violence, boosted reciprocity, altruism and trust, and encouraged inter-ethnic friendships...
Providing vouchers for rice and eggs allowed for better targeting, increased protein consumption, and was cheaper to administer than in-kind benefits...
Building roads and extending agriculture services to rural Ethiopian communities had no impact alone, but increased agricultural productivity together...
Providing information about reforms in local courts increases trust in state institutions and decreases use of non-state dispute resolution mechanisms...
Integrated education interventions with in-school and out-of-school components can increase student learning far beyond either approach independently...