Teachers are important. And many teachers in low- and middle-income countries would benefit from support to improve their pedagogical skills. But how to do it? Again and again, evidence suggests…

David Evans |

A recent paper in Lancet Global Health found that generous conditional cash transfers to female secondary school students had no effect on their school attendance, dropout rates, HIV incidence, or…

Berk Özler |

For the World AIDS Day, there is a sign at the World Bank that states that taking ARVs reduces rate of HIV transmission by 96%. If this was last year, a sign somewhere may well have read “A cheap…

Berk Özler |