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Here are some reading for the course on inequalities,Zheng B. (2000) Poverty orderings. Journal of Economic Surveys 14(4), 427-466.Pollak R.A. and T.J. Wales (1979) Welfare comparisons and equivalence scales. American Economic Review 69, 216-221.Kakwani N., A. Wagstaff and E. van Doorslaer (1997) Socioeconomic inequalities in health: Measurement, computation and statistical inference. Journal of Econometrics 77, 87-103.Cutler and Katz (1992) Rising inequality. American Econmic Review 82 (Proc), 546-551.