Revisiting the Sen Poverty Index
修改了官方森贫困指数，使其在个体收入上连续且符合转移公理，并具有几何解释，适用于贫困研究者。
A modification of the official Sen poverty index yields an index which is not only continous in individual incomes and consistent with the transfer axiom, but also admits a geometric interpretation in terms of the area beneath a graph called the inverse generalized Lorenz curve for normalized poverty gaps by Jenkins and Lambert (1993) or the poverty gap profile by Shorrocks (1994).