Bishop, John A; Formby, John P; Zheng, Buhong - In: International Economic Review 38 (1997) 2, pp. 381-87
Statistical inference procedures are developed for A. K. Sen's distribution-sensitive index of poverty and each of its components--the headcount ratio, income gap ratio, and the Gini index of the poor. Using results from U-statistics, the authors show that estimates of the index and its...