It was in the end of XIX century when Vilfredo Pareto as a first made a trial to analytically describe how the wealth and income is distributed in society. Following this pattern, the Generalized Lotka-Volterra model is shortly presented. Moreover, by using Polish empirical data for annual income of households for year 2006, the comparison with theoretical predictions was made (with Laws of Pareto, Rules of Proportionate Growth, and with Generalized Lotka-Volterra model). Studies are cross-cutting, referring to various categories of income (e.g. income from self-employment, household disposable income, etc.), its differences in territorial terms (e.g. in region and size of the city) as well  characteristics of individuals and households (e.g. of gender, marital status, education, and number of persons in household). The numerical models of enrichment for societies based on computer simulations are also presented and compared with analitycal predictions.

1. PRESENTATION: Study of households' income in Poland and European Union by using the statistical physics approach, PDF document, version 1.4, 21MB

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