Recommended readings (Machine generated): 1. Buhong Zheng (1993), 'An Axiomatic Characterization of the Watts Poverty … Index', Economic Letters, 42 (1), 81-86 -- 2. Amartya Sen (1976), 'Poverty: An Ordinal Approach to Measurement … Decomposable Poverty Measures', Econometrica, 52 (3), May, 761-66 -- 4. A.B. Atkinson (1970), 'On the Measurement of Poverty …