Foreign aid flows disproportionately to the poorest among the developing countries. Countries that account for the poorest fifth of world’s population receive more than a fifth of aid spending from OECD countries. Similarly, the benefits of trade flow likewise to more prosperous countries: the...

Has massive distribution of insecticide-treated-nets contributed to the reduction in in- fant mortality in Sub-Saharan Africa over the past 15 years? Using large household surveys collected in 16 countries and exploiting the spatial correlation in distribution campaigns, we estimate the...