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Generalized Beta Prime Distribution: Stochastic Model of Economic Exchange and Properties of Inequality Indices

M. Dashti Moghaddam, Jeffrey Mills, R. A. Serota

arXiv 11 Jun 2019 · Econometrics · 4 citations (OpenAlex)

arXiv:1906.04822 · PDF · DOI · OpenAlex · Extracted main text

Abstract

We argue that a stochastic model of economic exchange, whose steady-state distribution is a Generalized Beta Prime (also known as GB2), and some unique properties of the latter, are the reason for GB2's success in describing wealth/income distributions. We use housing sale prices as a proxy to wealth/income distribution to numerically illustrate this point. We also explore parametric limits of the distribution to do so analytically. We discuss parametric properties of the inequality indices -- Gini, Hoover, Theil T and Theil L -- vis-a-vis those of GB2 and introduce a new inequality index, which serves a similar purpose. We argue that Hoover and Theil L are more appropriate measures for distributions with power-law dependencies, especially fat tails, such as GB2.

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19
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32
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distinct cited
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Most heavily cited references

The works this paper leans on most, across its whole bibliography — not restricted to papers in our corpus. Ranked by composite intensity, which combines how often a work is mentioned, how many sections mention it, and how much of that falls in the main text rather than the appendix.

ReferenceIntensityMentionsSectionsMain text
1J. B. McDonald, Modeling Income Distributions and Lorenz Curves (Cho… (2008) Ch0.84333100%
2M. Dashti Moghaddam, R. Serota, Combined mutiplicative-heston model… (1807) 107930.73732100%
3G. Hertzler, "classical" probability distributions for stochastic dy… (2003)0.73732100%
4J.-P. Bouchaud, M. Mézard, Wealth condensation in a simple model of… (2000) 536–5450.64422100%
5D. Chotikapanich, W. E. Griffiths, G. Hajargasht, W. Karunarathne, P… (2018) 210.64422100%
6A. A. Dragulescu, V. M. Yakovenko, Probability distribution of retur… (2002) 445–4550.64422100%
7T. Ma, J. G. Holden, R. Serota, Distribution of wealth in a network… (2013) 2434–24410.64422100%
8T. Ma, R. Serota, A model for stock returns and volatility, Physica… (2014) 89–1150.64422100%
9J. B. McDonald, Y. J. Xu, A generalization of the beta distribution… (1995) 133–1520.64422100%
10M. Dashti Moghaddam, J. Liu, R. A. Serota, Implied and realized vola… (1906) 02306 self0.51121100%

Showing the top 10 of 19 scored citations.