Differences in geopolitical regions of Nigeria are not debatable. However, there is no clearconsensus on the dimension of these disparities. In this paper, claims of geopolitical regiondisparities in labor market outcomes are investigated using survey data from Nigeria between1996-1999...

The March Current Population Survey (CPS) is the primary data source for estimation oflevels and trends in labor earnings and income inequality in the USA. Time-inconsistencyproblems related to top coding in theses data have led many researchers to use the ratio ofthe 90th and 10th percentiles...