Kazakhstan. Photo: Kubat Sydykov / World Bank How large is the share of public procurement to GDP in middle-income and low-income countries and how it is evolving? If sizable, can public…

Simeon Djankov, Federica Saliola, Asif Islam |

Teresa at her home store, where she sells candies amongst her other wares. en espanol A few years ago, authors Peter Menzel and Faith D’Aluisio published “Hungry Planet, ” a fascinating book with…

María Eugenia Bonilla-Chacín |