Inequality measures are often used to summarize information about empirical income distributions. However the resulting picture of the distribution and of changes in the distribution can be severely distorted if the data are contaminated. The nature of this distortion will in general depend upon...

Poverty analysis often results in the computation of poverty indexes based on so-called poverty lines which can be region specific poverty lines. The poverty lines are made of two components, namely the amount of income to satisfy the food and the non food needs. For both components, one needs...

Poverty analysis conducted in Tunisia so far depends heavily upon the choice of poverty lines. The latter are usually constructed by considering a fraction of median incomes. This yields large differentials between urban and rural lines up to a factor 2 leading to the conclusion that the...