We analyze three sets of income data: the US Panel Study of Income Dynamics PSID), the British Household Panel Survey (BHPS), and the German Socio-Economic Panel (GSOEP). It is shown that the empirical income distribution is consistent with a two-parameter lognormal function for the low-middle income group (97%-99% of the population), and with a Pareto or power law function for the high income group (1%-3% of the population). This mixture of two qualitatively different analytical distributions seems stable over the years covered by our data sets, although their parameters significantly change in time. It is also found that the probability density of income growth rates almost has the form of an exponential function.
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Length: Date of creation: Apr 2005 Date of revision:
Mar 2006 Publication status: Published in Chatterjee, A., Yarlagadda, S., and Chakrabarti B. K. (2005). Econophysics of Wealth Distributions. Milan: Springer-Verlag Italia. (pp. 3-14) Handle: RePEc:arx:papers:physics/0504217
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