David Evans

education impact evaluation international development evidence-based policy research in-service teacher training economic development learning teachers conditional cash transfers economic growth professores formacao de professores aprendizagem economics education economics teacher professional development teacher training journalism professional development cost effectiveness analysis cost benefit analysis tanzania cct health 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 development