Developing countries made considerable gains during the first decade of the 21st century. Their economies grew at unprecedented rates, resulting in large reduction in extreme poverty and a significant expansion of the middle class. But more recently that progress has slowed with an economic...

"The 1990's dealt a blow to traditional Heckscher-Ohlin analysis of the relationship between trade and income inequality, as it became clear that rising inequality in low- income countries and other features of the data were inconsistent with that model. As a result, economists moved away from...