Econometrica: Apr 1951, Volume 19, Issue 2

The Application of Pareto's Law of Income to Japanese Data

https://doi.org/0012-9682(195104)19:2<174:TAOPLO>2.0.CO;2-V
p. 174-183

Miyoji Hayakawa

It is commonly accepted that Pareto's law holds well for the middle range of income distribution but not for smaller and larger income classes. Although it is comparatively easy to analyze the larger incomes statistically, the econometric approach is essential for analyzing the distribution of smaller incomes. Data are presented for income distribution in 108 of the 274 communes (villages, towns, and cities) in Hokkaido, Japan, including data for the smallerincomes below the tax limit. Using these data and Pareto's curve, the author attempts to estimate income distribution as a whole in Japan. The extreme positive skewness of the income distribution is noted, and appropriate methods of curve fitting are explored.

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