Inequality measures in kinetic exchange models of wealth distributions

Asim Ghosh*, Arnab Chatterjee, Jun Ichi Inoue, Bikas K. Chakrabarti

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)


In this paper, we study the inequality indices for some models of wealth exchange. We calculated Gini index and newly introduced k-index and compare the results with reported empirical data available for different countries. We have found lower and upper bounds for the indices and discuss the efficiencies of the models. Some exact analytical calculations are given for a few cases. We also exactly compute the quantities for Gamma and double Gamma distributions.

Original languageEnglish
Pages (from-to)465-474
Number of pages10
JournalPhysica A: Statistical Mechanics and its Applications
Publication statusPublished - 1 Jun 2016
MoE publication typeA1 Journal article-refereed


  • Gini index
  • Inequality
  • Kinetic models of wealth distribution


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