The interplay of between- and within-country inequality, the relative contribution of each to overall global inequality, and the implications this has for who benefits from recent global growth (and by how much), has become a significant avenue for economic research. However, drawing conclusions...

Smart decisions about where to focus poverty alleviation projects depend on accurate projections of where the bulk of the world’s poor will be living in 10, 20 years or more. So far, though, the picture has been murky. Data limitations and an abundance of modeling strategies complicate...

The majority of the world's poor, by income poverty and multi-dimensional poverty, now live in countries officially classified by the World Bank as middle-income countries. Of course nothing happens when a country crosses a (somewhat) arbitrary threshold in per capita income but it does matter...

This paper discusses the emergence of two new middles since the Cold War, namely middle-income countries and people living above absolute poverty but below a security-from poverty-line. The paper sets out what has happened. It is argued that although there has been substantial economic growth,...