In Mali, residents of Timbuktu take part in the maintenance of the Djingareyber Mosque, a World Heritage Site, applying traditional repair techniques. (Tiecoura Ndaou / UN Photo) Imagine a city…

Sameh Wahba, Barbara Minguez Garcia |

​Today, a quarter of the world’s population lives in urban “agglomerations”—supersized metropolitan areas that cut across jurisdictional boundaries and bring together one or more cities along with…

Ede Ijjasz-Vasquez, Philip E. Karp, Maria Angelica Sotomayor |

 Photo © Dominic Chavez/World Bank Performance budgeting (PB) has a deep and enduring appeal. What government would not want to allocate resources in a way that fosters efficiency, effectiveness,…

Donald Moynihan, Ivor Beazley |