Over the past few years, a large number of studies have aimed at estimating changes in relative income distribution both across countries and globally. Some of the studies find the distribution to have worsened considerably, others that it has become more even. One objective of this article is...

In his recent article on measuring the long-term trends in the real prices of primary commodities, Cuddington (2010) extends in several important respects our earlier efforts (Svedberg and Tilton, 2006) to correct real commodity price trends for biases in the Consumer Price Index and other...