There is a growing perception that spatial disparities in development indicators within countries are becoming more pronounced. Sub-national data are needed to inform policy makers on such matters…

Vanessa Moreira da Silva |

Social scientists have for long acknowledged that people evaluate their own wellbeing not only on the basis of what they have but also on the basis of what they have relatively to what other…

Paolo Verme |

Who are the bottom 40 percent of society? Where do they live? What do they do? What other characteristics do they have? These are just some of the questions we are hoping to answer as part of the…

Jos Verbeek, Eugenia Suarez Moran |

We rarely give the toilet a second thought. We use it when we need to, and we flush and forget. We are also able to conveniently wash our hands afterwards. But imagine if you are on a long hiking…

Johannes Zutt |

For users of water-based sanitation, most of us give little thought to what happens after we hear the sound of the toilet flushing. Wooooosh -- out of sight, out of mind. Certainly, there is…

Guy Hutton |

See also: Anniversary of the New Delhi Attack Reminds Us that Tackling Violence is Urgent December 16, 2012 will in the foreseeable future be remembered as the day in which six men savagely gang…

Maria Correia |

Mobility is a precondition for economic growth: mobility for access to jobs, education, health, and other services. Mobility of goods is also critical to supply world markets in our globalized…

Marc Juhel |

When Jane Otai said there are flying toilets in slums of Nairobi, most of her audience, like me, was trying to figure out what she meant. A few others laughed softly. Because there are no toilets…

Ravi Kumar |

I’ve been struck recently by how little we (or at least I) seem to know about variations in use of health services across the world, and what drives them. Do people in, say, India or Mali use…

Adam Wagstaff |

Alassane Sow, World Bank Country Manager for Cambodia, and Rana Flowers, UNICEF Representative to Cambodia, wrote an op-ed for The Phnom Penh Post. Read the op-ed below, courtesy of The Phnom Penh…

Alassane Sow, Rana Flowers |