Syrian refugee students listen to their school teacher during math classes.  Photo © Dominic Chavez/World Bank ​In Europe, the year 2015 will be remembered as the year of the “refugee crisis.”…

Christian Bodewig |

Impact evaluations are key to how we think about development. Pilot programs suggesting statistically significant impacts are hailed as breakthroughs and as candidates for scaling up. Programs…

Quentin Wodon |