David Evans

education impact evaluation international development economic development in-service teacher training research evidence-based policy teachers economic growth learning conditional cash transfers educational reform foundational learning poverty temptation goods tobacco alcohol cash transfers evaluation avaliação africa educacao world bank covid19 edtech technology evaluación de impacto educacion teacher pay policy noncognitive skills socioemotional skills training skills côte d'ivoire economics economics education professores formacao de professores aprendizagem teacher professional development teacher training journalism professional development cost effectiveness analysis cost benefit analysis tanzania cct health development