Adam Smith, Tom Paine, John Stuart Mill and Karl Marx were all bold and outspoken about the injustices of extreme inequality, nationally and internationally. Yet by almost every standard, global inequality has grown substantially since they were writing, and national income inequality also over...

Hans Wolfgang Singer, development economist, died on February 26 2006. Singer's best known work relates to the declining terms of trade experienced by developing countries. First published in 1949, it tracked the long-term decline in terms of trade between developing and developed countries and...