An analysis of panel data on individuals in a random selection of urban households in Ethiopia reveals large, sustained, and unexplained earnings gaps between public and private, and formal and informal sectors over the period 1994-2004. The authors have no formal evidence whetherthese gaps...

In the early 1990s the World Bank launched the Regional Program on Enterprise Development in several African countries, a key component of which was the collection of manufacturing firm-level data. In this paper the authors review the research based on the data sets generated by these and...