The most basic economic theory suggests that rising incomes in developing countries will deter emigration from those … transition in every decade since 1960. It then briefly surveys 45 years of research, which has yielded six classes of theory to …

countries comprising 97 percent of the world's population, this paper simulates a set of scenarios for global poverty from 2018 …The goals of ending extreme poverty by 2030 and working toward a more equal distribution of income are prominent in … poverty and inequality goals. The paper uses different assumptions about growth incidence curves to model changes in …