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 |

In Mozambique’s three largest cities (Maputo, Beira, and Nampula), informal businesses—those operating outside formal licensing and registration procedures—outnumber formal firms by a factor of 9…

Filip Jolevski, Gemechu Ayana Aga |

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 |

In the 1970s and 1980s, Nepal was faced with large-scale deforestation due to land clearing, and forest degradation caused by fuelwood collection and uncontrolled grazing by villagers who were the…

Randall Bluffstone |

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 |

Around 250 million migrants currently live outside their countries of birth, making up approximately 3.5 percent of the world population. Despite the widespread perception of a global migration…

Caglar Ozden |

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 |