Inequality measures in kinetic exchange models of wealth distributions

被引：17
|
作者：
Ghosh, Asim [1 ,2 ]
Chatterjee, Arnab [1 ]
Inoue, Jun-ichi [3 ]
Chakrabarti, Bikas K. [1 ,4 ]
机构：
[1] Saha Inst Nucl Phys, Condensed Matter Phys Div, 1-AF Bidhannagar, Kolkata 700064, India
[2] Aalto Univ, Dept Comp Sci, Sch Sci, POB 15400, FI-00076 Aalto, Finland
[3] Hokkaido Univ, Grad Sch Informat Sci & Technol, Kita Ku, N14-W9, Sapporo, Hokkaido 0600814, Japan
[4] Indian Stat Inst, Econ Res Unit, 203 BT Rd, Kolkata 700108, India
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2016年 / 451卷
关键词：
Kinetic models of wealth distribution; Inequality; Gini index; STATISTICAL-MECHANICS; PROPENSITY; SCIENCE; MONEY;
D O I：
10.1016/j.physa.2016.01.081
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：465 / 474
页数：10
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