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DARP Paper
Statistical Inference for Welfare under Complete and Incomplete Information, (published in Journal of Economic Inequality, vol. 1 (2003), pp. 191-219)
Frank A Cowell and Maria-Pia Victoria-Feser December 1999
Paper No' DARP 047:
Full Paper (pdf)

Tags: inequality measurement; income distribution; lorenz curve; influence function; sampling variance; censoring; trimming

We show how a collection of results in the literature on the empirical estimation of welfare indicators from sample data can be unified. We also demonstrate how some of these ideas can be extended to empirically important cases where the data have been trimmed or censored.