Christina Wieser and Miriam Bruhn report on their latest randomized controlled trials (RCT), about the impact of digital financial services. This RCT has, once again, helped them show how digital…

Christina Wieser, Miriam Bruhn |

Reform leaders who are persuaded by the need to invest in human capital face the challenge of getting thousands of state personnel, who staff myriad government agencies, to deliver. The…

Stuti Khemani |

This page in: Français Across European countries, women continue to earn less than men. Looking at data for full-time working women across 30 countries, we find that women would have needed an…

Gabriela Inchauste, Ana Maria Munoz-Boudet, Paola Buitrago Hernandez |

How much food is produced on a plot of land? The answer is central to several pressing questions in agricultural and development economics: How efficiently do smallholders use their labor and land…

Talip Kilic, David Lobell |

A growing number of students in South Asia and Sub-Saharan Africa are enrolled in private primary or secondary schools. The World Development Report 2018 (on which I was a co-author) highlighted…

David Evans |

In a recent exhibition at the American Museum of Natural History in New York City, “Dinosaurs Among Us, ” paleontologists use prehistoric fossil records of bones, feathers, and nests to show that…

Alexandria Valerio, Ji Liu |

One of the most storied topics in agricultural economics, dating back to Chayanov’s work on Russian peasants published nearly a century ago, is the inverse relationship between scale (in terms of…

Talip Kilic, Sydney Gourlay |

The 2018 World Development Report (WDR), Learning to Realize Education’s Promise, launched this week.  While it draws on research and collective experience—both from within and outside the World…

Deon Filmer, Halsey Rogers |

Also available in: Français Phiona Mutesa, the real Queen of Katwe. Who doesn’t enjoy an afternoon at the movies? Yet sometimes a cinema screening can be more than just fun. An experiment in…

David Evans |

Countries around the world have experimented with “school report cards”: providing parents with information about the quality of their school so that they can demand higher quality service for…

David Evans |