The Evolution of Income Concentration in Japan, 18862005: Evidence from Income Tax Statistics

  title={The Evolution of Income Concentration in Japan, 18862005: Evidence from Income Tax Statistics},
  author={Chiaki Moriguchi and Emmanuel Saez},
  journal={The Review of Economics and Statistics},
This paper studies the evolution of income concentration in Japan from 1886 to 2005 by constructing long-run series of top income shares and top wage income shares, using income tax statistics. We find that (i) income concentration was extremely high throughout the pre-WWII period during which the nation underwent rapid industrialization; (ii) a drastic de-concentration of income at the top took place in 19381945; (iii) income concentration remained low during the rest of the century but shows… 
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