Notes, Comments and Preliminary results Dec 02 2018 Amlan Majumder and Takayoshi Kusago   A note on the use of decile or quintile group-share of income or consumption from the popular income inequality databases to explain inequality conditions   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   May 14 2015 Amlan Majumder   An alternative measure of economic inequality under the Lorenz curve framework in analogue to the index of refraction of geometrical optics   Abstract  Contact Information  Citation  Full Text  -  Note