"An AIDS epidemic threatens Ethiopia with a long wave of premature adult mortality, and thus with an enduring setback … socially very profitable. "--World Bank web site …

strong evidence for bandwagon effects in humanitarian assistance. "--World Bank web site …

disease control in the developed world. These mostly non-clinical services generate "pure public goods" by reducing everyone …' approaches and first steps toward closing them. "--World Bank web site …

rest of the world. Second, this convergence process will be accompanied by a widening of income distribution in two …. "--World Bank web site …

"The paper presents a major overhaul to the World Bank's past estimates of global poverty, incorporating new and better … data. Extreme poverty-as judged by what "poverty" means in the world's poorest countries-is found to be more pervasive than … early 1980s. For 2005 we estimate that 1.4 billion people, or one quarter of the population of the developing world, lived …