Cowell, Frank A; Victoria-Feser, Maria-Pia - Suntory and Toyota International Centres for Economics … - 1994
poverty indices to data contamination using the concept of the influence function. We show that poverty and inequality indices … have fundamentally different robustness properties, and demonstrate that an imporrtant commonly used subclass of poverty … measures will be robust under data conta m ination. We investigate both the case where the poverty line is exogenenously fixed …